Using FC1(F)CCNC1, CC(C)(C)OC(=O)N1CC(c2cc(Cl)nc(Cl)c2)C1 to produce CC(C)(C)OC(=O)N1CC(c2cc(Cl)nc(N3CCC(F)(F)C3)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.