[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an isolongifolane sesquiterpenoid. It has a role as a fragrance."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=C][C][C][C][=Branch2][Ring1][Ring2][=C][C@@][Ring1][=Branch1][C][C][C@@H1][Branch1][Ring2][C][Ring1][Branch1][C][Ring1][#Branch1][Branch1][C][C][C][C][C][O][C][C]"}]