[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an organic heterotricyclic compound, an oxacycle and an organonitrogen heterocyclic compound."}, {"from": "gpt", "value": "[C][C][C][=C][Branch1][P][N][Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O][C][O][C][Ring1][#C][Branch1][C][C][C]"}]