[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a sesquiterpenoid. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C@H1][C][C][C@][Branch2][Ring1][C][C@@H1][Ring1][Branch1][C@@H1][C@H1][Branch1][=Branch2][C][C][C@H1][Ring1][#Branch1][O][Ring1][=Branch1][C][=O][C]"}]