[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][S][=C][Branch1][N][C][=C][Ring1][=Branch1][/C][=C][\\C][=Branch1][C][=O][O][O][O-1]"}, {"from": "gpt", "value": "The molecule is the conjugate base of cis-caffeic acid; major species at pH 7.3. It is a conjugate base of a cis-caffeic acid."}]