[{"from": "human", "value": "Please give me some details about this molecule. [C][=Branch1][#Branch2][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O-1][\\O-1][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a C4-dicarboxylate resulting from the removal of a proton from both carboxylic acid groups of enol-oxaloacetic acid. It is a C4-dicarboxylate and a dicarboxylic acid dianion. It is functionally related to a butenedioate. It is a conjugate acid of an enol-oxaloacetic acid."}]