[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][S][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a thiomalic acid. It is an enantiomer of a (R)-thiomalic acid."}]