[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a hydroxyaldehyde that is pentanal carrying three hydroxy substituents at positions 3, 4 and 5. It is a deoxypentose, a hydroxyaldehyde and a triol. It derives from a hydride of a pentanal."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][=O][C][Branch1][#Branch1][C][Branch1][Ring1][C][O][O][O]"}]