[{"from": "human", "value": "Could you provide a description of this molecule? [C][=Branch1][#Branch2][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O-1][\\Cl][\\C][=Branch1][C][=O][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Cl]"}, {"from": "gpt", "value": "The molecule is an oxo dicarboxylate obtained by deprotonation of both carboxy groups of 2,5-dichloro-4-oxohex-2-enedioic acid. It is functionally related to a 4-oxohex-2-enedioate. It is a conjugate base of a 2,5-dichloro-4-oxohex-2-enedioic acid."}]