Using O=c1cc(C(F)(F)F)nc[nH]1, O=[N+]([O-])C1=CC(F)(F)C(F)(Cl)C([N+](=O)[O-])=C1Cl to produce O=c1cc(C(F)(F)F)ncn1-c1c([N+](=O)[O-])cc(C(F)(F)F)c(Cl)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.