Using O=[N+]([O-])c1ccc(F)c(F)c1, COc1cc2nccc(O)c2cc1OC to produce COc1cc2nccc(Oc3ccc([N+](=O)[O-])cc3F)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.