[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][Branch1][S][/C][=C][Branch1][#Branch1][\\C][C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1][C][=O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion and an aldehyde."}]