[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][S][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a thiomalate(2-) and a C4-dicarboxylate. It is functionally related to a succinate(2-). It is a tautomer of a 3-carboxy-2-sulfidopropanoate."}]