Using CCCC(=O)O, FC1(c2ccc(C3=NOC(c4cc(Cl)c(Cl)c(Cl)c4)(C(F)(F)F)C3)cc2)CNC1 to produce CCCC(=O)N1CC(F)(c2ccc(C3=NOC(c4cc(Cl)c(Cl)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.