Using COC(=O)C1=C(O)c2ccc3ccccc3c2S(=O)(=O)N1, BrCc1ccccc1 to produce COC(=O)C1=C(O)c2ccc3ccccc3c2S(=O)(=O)N1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.