[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an olefinic compound. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][=C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=C][C][O][O]"}]