Using BrC(Br)(Br)Br, CC(=O)OCc1ccc(Cl)cc1N([C@H](C)CCCO)S(=O)(=O)c1ccc(Cl)cc1 to produce CC(=O)OCc1ccc(Cl)cc1N([C@H](C)CCCBr)S(=O)(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.