[{"from": "human", "value": "Provide a brief overview of this molecule. [C][S][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of (methylthio)acetic acid. It is functionally related to a thioglycolate(1-). It is a conjugate base of a (methylthio)acetic acid."}]