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