[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is the fatty acid ethyl ester of 2-octenoic acid. It has a role as a metabolite."}]