Using CON(C)C(=O)[C@H]1CC[C@@H](NC(=O)OCc2ccccc2)CC1, Clc1ccc(CBr)cc1 to produce CON(C)C(=O)[C@H]1CC[C@@H](N(Cc2ccc(Cl)cc2)C(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.