[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][C][=C][Branch2][Ring2][Branch1][C][=C][Branch1][N][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][=C][=O][C][=Branch1][=Branch1][=C][C][=C][Ring1][Branch2][O][O-1]"}, {"from": "gpt", "value": "The molecule is a phenolate anion resulting from the removal of a proton from the phenolic hydroxy group at position 5 of methyl nogalonate. The major species at pH 7.3. It is a conjugate base of a methyl nogalonate."}]