Using O=C(Nc1ccc(OC(F)(F)F)cc1)c1cc([N+](=O)[O-])c(NCC(F)F)cc1N1CC[C@@H](F)C1 to produce Nc1cc(C(=O)Nc2ccc(OC(F)(F)F)cc2)c(N2CC[C@@H](F)C2)cc1NCC(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.