gistfile1.java

 @Test
    public void testBug2784343() throws InvalidSmilesException {
        SmilesParser sp = new SmilesParser(DefaultChemObjectBuilder.getInstance());
        String smiles = "C1(C)=C(C)CC(C)C2CC21";
        IMolecule mol1 = sp.parseSmiles(smiles);
        SmilesGenerator smilesGenerator = new SmilesGenerator();
        smilesGenerator.setUseAromaticityFlag(true);
        String gensmiles1 = smilesGenerator.createSMILES(mol1);

        smiles = "CC1(C)C2C(C)=CCC1C2(C)C";
        IMolecule mol2 = sp.parseSmiles(smiles);
        String gensmiles2 = smilesGenerator.createSMILES(mol2);

        Assert.assertFalse(gensmiles1.equals(gensmiles2));

    }