[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the hydroxypyrimidine that is pyrimidine mono-substituted at C-2 by a hydroxy group. It has a role as a Lewis base and an electron donor."}, {"from": "gpt", "value": "[C][=C][N][C][=Branch1][C][=O][N][=C][Ring1][#Branch1]"}]