Using O=[N+]([O-])c1ccccc1F, COc1c(Cl)cc(CN)cc1Cl to produce COc1c(Cl)cc(CNc2ccccc2[N+](=O)[O-])cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.