[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][/C][=C][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the cis-stereoisomer of 3-coumaric acid."}]