Using NCc1ccc(F)cc1Cl, CCN1C(=O)C(C)(C)C[C@H]1C(=O)O to produce CCN1C(=O)C(C)(C)C[C@H]1C(=O)NCc1ccc(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.