[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an oxacycle and an organic heterobicyclic compound."}, {"from": "gpt", "value": "[C][C][C][C][C][Branch1][Branch2][C][=Branch1][C][=O][C][Ring1][#Branch1][C][Branch2][Ring1][#Branch2][C][O][C][C][Branch1][Ring2][O][Ring1][=Branch1][C][Branch1][=N][C][Branch1][=Branch2][C][Branch1][Ring2][O][Ring1][#Branch1][C][O][O][O][C]"}]