Using Cc1cc(C=O)cc(Oc2nc(Cl)nc(Cl)c2C(C)C)c1, NO to produce Cc1cc(C=NO)cc(Oc2nc(Cl)nc(Cl)c2C(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.