Using O=[N+]([O-])c1cnc(O)c(C(F)(F)F)c1, CN(C(=O)Cl)c1ccccc1 to produce CN(C(=O)Oc1ncc([N+](=O)[O-])cc1C(F)(F)F)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.