Using O=C(Cl)c1ccc(F)c(Cl)c1, CC(C)(C)OC(=O)N1CCC(N)CC1 to produce CC(C)(C)OC(=O)N1CCC(NC(=O)c2ccc(F)c(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.