Using S[C@H]1CCCO[C@H]1COCc1ccccc1, CCCCCCCCCCCCCCCCBr to produce CCCCCCCCCCCCCCCCS[C@H]1CCCO[C@H]1COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.