Using CC(C)(C)OC(=O)N1CCN2C[C@@H](N)C[C@H]2C1, O=C(Cl)c1ccc(F)cc1 to produce CC(C)(C)OC(=O)N1CCN2C[C@@H](NC(=O)c3ccc(F)cc3)C[C@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.