[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 2,3,4-trihydroxytetrahydrofuran."}, {"from": "gpt", "value": "[C][C@H1][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][O][O][O]"}]