[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=C][C][C][C][C][=Branch1][C][=O][O][/C][=C][\\C][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an ester. It has a role as a metabolite."}]