[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an organooxygen compound and an organic heterotricyclic compound."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=C][C][Branch2][Ring1][=Branch2][C][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Ring1][N][=O][O][C]"}]