Using O=C(O)[C@@H](Cc1ccccc1)NS(=O)(=O)c1ccc(Br)cc1, CCOC(=O)Cc1ccc(N)cc1 to produce CCOC(=O)Cc1ccc(NC(=O)[C@@H](Cc2ccccc2)NS(=O)(=O)c2ccc(Br)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.