Using CCOC(=O)NCc1ccc(Cl)cc1, O=[N+]([O-])c1cc([N+](=O)[O-])c(Cl)c(C(F)(F)F)c1 to produce CCOC(=O)N(Cc1ccc(Cl)cc1)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.