[{"from": "human", "value": "Provide a description of this molecule. [C][/C][=C][\\C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2-oxohex-4-enoic acid. It is functionally related to a cis-hex-4-enoic acid. It is a conjugate acid of a cis-2-oxohex-4-enoate."}]