Using NO, CC(=O)c1ccc(Nc2cc(-c3cc(Cl)ccc3Cl)nc(N)n2)cc1 to produce CC(=NO)c1ccc(Nc2cc(-c3cc(Cl)ccc3Cl)nc(N)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.