[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of oxanes."}, {"from": "gpt", "value": "[C][C][=Branch1][=Branch2][=C][C][=C][C][=C][O][Ring1][Branch1][C][=Branch1][C][=O][C][=Branch1][=Branch2][=C][C][=C][C][=C][O][Ring1][Branch1][C][O][Ring2][Ring1][Ring1]"}]