Using CCOC(=O)c1cc2c(Cl)cc(O)cc2n1C, O=[N+]([O-])c1ccccc1F to produce CCOC(=O)c1cc2c(Cl)cc(Oc3ccccc3[N+](=O)[O-])cc2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.