[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][S]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion. It is functionally related to a glycolate. It is a conjugate base of a thioglycolic acid. It is a conjugate acid of a thioglycolate(2-)."}]