[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch2][Ring1][C][C][=Branch1][#Branch2][=C][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a cyclohexadienedicarboxylic acid. It is a conjugate acid of a cis-4,5-dihydroxycyclohexa-2,6-diene-1,2-dicarboxylate(2-)."}]