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/*
 * Copyright (c) 1997 - 2016
 * Actelion Pharmaceuticals Ltd.
 * Gewerbestrasse 16
 * CH-4123 Allschwil, Switzerland
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of the the copyright holder nor the
 *    names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @author Thomas Sander
 */

package com.actelion.research.chem;

import java.util.ArrayList;

public class NastyFunctionDetector {
	public static final String[] cNastyFunctionsUnknown = null;

	public static final String sNastyFunction[][] = {
		{ "gGP@LdbKT`]RMdmGJFCPpWN@PBJpd@", "polar activated DB" },
		{ "gGP@DjVePNlFJXhypB@Q\\xA@HjlPd@", "twice activated DB" },
		{ "eM@HvCjFtQ[N@PBDiBHqJrlD@", "acyl-halogenide type" },
		{ "eFBJHcAbc\\@axABIVVQFIV@", "Cl,Br,I on N,O,P,S,Se,I" },
		{ "gC`HADIKRAuHubL", "allyl/benzyl chloride" },
		{ "eM@HzCBKUFTqJp", "prim. alkyl-bromide/iodide" },
		{ "gC`@H}PFrbcLfIV@", "sec./tert. alkyl-bromide/iodide" },
		{ "gC`hH`DIVtAuL`", "alkyl sulfonate/sulfate type" },
		{ "gJQ`@bdjt`P", "anhydride" },
		{ "gJXA@IczhB", "quart. ammonium" },
		{ "gChA@Icm@P", "tert. immonium" },
		{ "fHT`P", "carbenium" },
		{ "gCh`hEIWILtAuM@", "aromatic nitro" },
		{ "gCd@Adeb@p`}M@", "1,2-diamino-aryl" },
		{ "gJT@@TeXHCA@`", "1,3-diamino-aryl" },
		{ "gGT@ATeV@`LDJ", "1,4-diamino-aryl" },
		{ "gCd@ADiZDEsA@", "azo" },
		{ "gJU@h`NdiLsPdh", "azoxy" },
		{ "eMPRIncTH", "diazo" },
		{ "eMPRI^cxH", "diazo" },
		{ "gJT@@Te^lB", "1,1-dinitrile" },
		{ "eMHAIhLDhsW@H^@Pb@", "formaldehyde aduct" },
		{ "eO@HyjCYJLipB@", "oxiran/aziridine" },
		{ "eMPBchLDkR", "hydrazine" },
		{ "eM`AITLYs`D@`", "isocyanate type" },
		{ "fH@MjM~@p\\@aHZA`x^@QDYAQbU`", "unwanted atom" },
		{ "fHw`dB", "phosphonium" },
		{ "gCi@hAteIi`H", "nitrone" },
		{ "eMhHRVCZP", "nitroso" },
		{ "gCa`@lduPD", "orthoester/acid" },
		{ "eFDBcA@", "peroxo" },
		{ "gGY@HDiViPMdmEGN@PBKg@HA@", "N-acyloxy-amide" },
		{ "gC`@H{PFJVQFIV[HcDk@", "1,1-dihalo-alkene" },
		{ "gC`@DiZDEbedQbUfrHqJp", "1,2-dihalo-alkene" },
		{ "fIRPNj@", "pyrylium" },
		{ "gCaHHGAIZPMXb@", "silylenol-ether" },
		{ "gCd@ADie@y``", "dimethylene-hydrazine" },
		{ "eMPARZCJg}T@", "methanediamine" },
		{ "daFD`Bs`BLdTTIUSRpA@", "limit! methylene-thiazolidine-2,4-dione" },
		{ "gOtHLPDISOkSM@XP`", "limit! thiazol-2-ylamine" },
		{ "gGU@DPdsmRAeDx", "acyl-hydrazone" },
		{ "gCh@@eKP`lIIROFIFC`@", "imine/hydrazone of aldehyde" },
		{ "deUD@BxIrJJKPlKTmL@ZqP`", "2,3-diamino-quinone" },
		{ "difL@DBarJIPhfZif@LHh", "limit! 4-acyl-3-azoline-2-one-3-ol" },
		{ "gGT`EPTfyi`H", "limit! oxal-diamide" },
		{ "daED@DpFRYUJfjV@H", "limit! 5-methylene-imidazolidine-2,4-dione" },
		{ "gJQ@@dls@XpyDXeX", "2-halo-enone" },
		{ "gJQ@@djsBJqarHqJp", "3-halo-enone" },
		{ "gCd`i`iJyIf`H", "N-nitro" },
		{ "gChHD@aIf`LYdXN@", "thio-amide/urea" } };

private static StereoMolecule[]	sFragmentList;
	private static long[][]			sIndexList;
	private static boolean			sInitialized;

	public NastyFunctionDetector() {
		synchronized(NastyFunctionDetector.class) {
			if (!sInitialized) {
		        try {
					sFragmentList = new StereoMolecule[sNastyFunction.length];
					sIndexList = new long[sNastyFunction.length][];
					SSSearcherWithIndex sss = new SSSearcherWithIndex(SSSearcher.cMatchAtomCharge);
					for (int i=0; i nastyFunctionList = new ArrayList();

		SSSearcherWithIndex sss = new SSSearcherWithIndex(SSSearcher.cMatchAtomCharge);
		sss.setMolecule(mol, index);
		for (int i=0; i nastyFunctionList) {
		RingCollection ringSet = mol.getRingSet();
		for (int ring=0; ring 2) {
					nastyFunctionList.add("polyhalo aromatic ring");
					}
				}
			}
		}
	}




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