[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@H1][Branch2][Ring1][#C][C][/C][=C][/C][C][/C][=C][/C][=C][\\C][C@H1][Branch1][S][/C][=Branch1][N][=C][\\C][=C][Branch1][C][/C][\\C][=Branch1][C][=O][O-1][/C][O][C][/C][=C][/C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O-1][/C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid anion resulting from the deprotonation of the three carboxy groups of bongkrekic acid; major species at pH 7.3. It is a conjugate base of a bongkrekic acid."}]