[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of oxanes."}, {"from": "gpt", "value": "[C][C][C][Branch1][Branch2][C][C][Ring1][Branch1][O][Ring1][Ring1][O][C][C][C][C][C][Ring1][Branch1][O][Ring1][Ring1]"}]