Using O=C(c1ccc([N+](=O)[O-])cc1)N1CCN(Cc2cccc(C(O)(C(F)(F)F)C(F)(F)F)c2)CC1 to produce Nc1ccc(C(=O)N2CCN(Cc3cccc(C(O)(C(F)(F)F)C(F)(F)F)c3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.