[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][Ring1][C][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy monocarboxylic acid anion. It is functionally related to a propionate. It is a conjugate base of a 2,3-dihydroxy-2-methylpropanoic acid."}]