Using O=[N+]([O-])c1cc(F)ccc1F, O=C(O)C1CCNCC1 to produce O=C(O)C1CCN(c2ccc(F)cc2[N+](=O)[O-])CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.