[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=C][\\C][=Branch1][C][=O][O][O-1]"}, {"from": "gpt", "value": "The molecule is a 2-coumarate that is the conjugate base of cis-2-coumaric acid. It is a conjugate base of a cis-2-coumaric acid."}]