Using CCOP(=O)(OCC)C1CCC(COS(=O)(=O)c2ccc(C)cc2)O1, [Br-] to produce CCOP(=O)(OCC)[C@H]1CC[C@H](CBr)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.