Using COc1ccc2cc(O)ccc2c1, O=[N+]([O-])c1ccc(F)cc1 to produce COc1ccc2cc(Oc3ccc([N+](=O)[O-])cc3)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.