[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of oxanes."}, {"from": "gpt", "value": "[C][C@H1][C@H1][Branch2][Ring1][N][C][C][C@H1][C@@][Ring1][=Branch1][Branch2][Ring1][C][C@@H1][C@][Branch1][Ring2][C][Ring1][Branch1][Branch1][Ring2][O][Ring1][Ring2][C][=Branch1][C][=O][C][C][O]"}]