[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][N][/C][=C][/C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is the oxo dicarboxylate dianion that is hex-3-enedioate oxo-substituted at C-2; the stereochemistry of the C=C double bond is unspecified. It is a conjugate base of a 2-oxohex-3-enedioic acid."}]