[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][C][=Branch1][C][=O][C@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an N-acyl-L-homoserine lactone having 4-coumaroyl as the acyl substituent. It has a role as a signalling molecule and a metabolite."}]