Using NC(=O)C[C@@H]1CN(Cc2ccc(F)cc2)CCN1C(=O)COc1ccc(Cl)cc1O, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)COc1cc(Cl)ccc1OCC(=O)N1CCN(Cc2ccc(F)cc2)C[C@H]1CC(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.