[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][S][=C][Branch1][N][C][=C][Ring1][=Branch1][/C][=C][\\C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is the cis-isomer of caffeic acid. It has a role as a plant metabolite and a human xenobiotic metabolite. It is a conjugate acid of a cis-caffeate."}]