SMILES: CCC1=C(NC(=C1C)CC2C(=C(C(=O)N2)C)C=C)CC3=C(C4=C(N3)/C(=C\\5/[C@H]([C@@H]([C@H](N5)C(=O)[O-])C)CCC(=O)[O-])/C(=O)C4=O)C
Description: The molecule is a dicarboxylic acid dianion that results from the removal of a proton from each of the carboxylic acid groups of oxidized dinoflagellate luciferin. It is a conjugate base of an oxidized dinoflagellate luciferin.