[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a member of pterins and a secondary alpha-hydroxy ketone."}, {"from": "gpt", "value": "[C][C][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][C][=N][C][=C][Branch1][Branch1][N][C][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][Branch2][=O][N][O]"}]