[{"from": "human", "value": "Please give me some details about this molecule. [C][=Branch2][Ring1][Ring1][=C][Branch1][O][\\C][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\O][/C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid. It is a conjugate acid of a 4-carboxy-2-hydroxy-cis,cis-muconate(3-)."}]