[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an organic heteropentacyclic compound and an oxacycle."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C@H1][C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=C][C][=C][Ring1][#Branch1][O][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][=C][C][=Branch1][#C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][O][C][Ring1][N][=O][O][C][O][C]"}]