[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid monoanion and a hydroxymalonate. It is functionally related to a malonate(1-). It is a conjugate base of a hydroxymalonic acid. It is a conjugate acid of a hydroxymalonate(2-)."}]