Using CS(=O)(=O)c1ccc([C@@H](CC2CCCC2)C(=O)Nc2cnc(CO)cn2)cc1Cl, BrC(Br)(Br)Br to produce CS(=O)(=O)c1ccc([C@@H](CC2CCCC2)C(=O)Nc2cnc(CBr)cn2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.