[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][S][C@H1][Branch1][N][C@@][Branch1][Ring2][O][Ring1][Branch1][Branch1][Ring1][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a D-ribulose with an alpha-configuration at the anomeric position."}]