[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organic heterotricyclic compound, an organonitrogen heterocyclic compound and an oxacycle."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C][C][C][=C][Branch2][Ring1][=N][C][=C][Branch1][#C][C][=Branch1][#Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][C][N+1][=Branch1][#Branch1][=C][Ring1][=C][O][Ring1][P][C][O][C]"}]