[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a deoxypentose. It is functionally related to an aldehydo-L-lyxose."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][#C][C@][Branch1][Ring1][C][=O][Branch1][#Branch1][C@H1][Branch1][Ring1][C][=O][O][O][O]"}]