[{"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][O][C][=C][C][=C][C][=C][C][=C][Branch1][#Branch1][N][=C][Ring1][=Branch1][Ring1][#Branch2][O][C][C][Ring1][#Branch1]"}]