Using BrCc1ccccc1, CS(=O)(=O)OC[C@H]1COc2c(O)cccc2O1 to produce CS(=O)(=O)OC[C@H]1COc2c(OCc3ccccc3)cccc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.