Using CC(C)(C)OC(=O)N1CC(Oc2cc(Cl)ccc2OC2Cc3ccc(F)cc3C2=O)C1, NO to produce CC(C)(C)OC(=O)N1CC(Oc2cc(Cl)ccc2OC2Cc3ccccc3C2=NO)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.