Using Cc1ccc(-c2noc(C3CN(C#N)C3)n2)cc1NC(=O)c1cnc2ccccn12, NO to produce Cc1ccc(-c2noc(C3CN(C(N)=NO)C3)n2)cc1NC(=O)c1cnc2ccccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.