[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][Branch2][/C][=C][\\C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an oxo dicarboxylate obtained by removal of a proton from both of the carboxylic acid groups of (Z)-5-oxohex-2-enedioic acid. It is functionally related to a hex-2-enedioate. It is a conjugate base of a (Z)-5-oxohex-2-enedioic acid."}]