[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a member of oxanes."}, {"from": "gpt", "value": "[C][C][=C][C][C@H1][Branch1][Branch1][C][C][Ring1][=Branch1][C@@][Branch1][P][C][C][C@@H1][Branch1][O][C][Branch1][Ring2][O][Ring1][=Branch1][Branch1][C][C][C][O][C]"}]