Using BrCc1ccccc1, COC(=O)[C@@H](C)CS(=O)(=O)NC(c1ccccc1)c1ccccc1 to produce COC(=O)[C@@H](C)CS(=O)(=O)N(Cc1ccccc1)C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.