[{"from": "human", "value": "Provide a description of this molecule. [C][/C][=Branch1][#Branch2][=C][Branch1][C][\\C][/C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion that is obtained from dimethylmaleic acid by removal of a proton from each of the carboxylic acid groups. It is functionally related to a maleate(2-). It is a conjugate base of a dimethylmaleic acid."}]