Using Cc1ccc(Cn2nc(C3=NC(c4ccccc4)CO3)cc2C)cc1 to produce Cc1ccc(Cn2nc(-c3nc(-c4ccccc4)co3)cc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.