[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=C][C][=Branch2][Ring1][S][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O-1][C][=C][Branch2][Ring1][C][C][=Branch1][=N][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][O-1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is major microspecies at pH 7.3. It is a conjugate base of a 5,5'-Dehydrodivanillate."}]