[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion that is obtained by removal of a proton from both of the carboxylic acid groups of citramalic acid. It has a role as a human metabolite and a plant metabolite. It is functionally related to a butenedioate. It is a conjugate base of a citramalic acid."}]