Using CCCC(=O)O, Fc1c(Cl)cc(C2(C(F)(F)F)CC(c3ccc(C4(F)CNC4)cc3)=NO2)cc1Cl to produce CCCC(=O)N1CC(F)(c2ccc(C3=NOC(c4cc(Cl)c(F)c(Cl)c4)(C(F)(F)F)C3)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.