Using CCOC(=O)c1cccc(N)c1, O=C(O)[C@H](Cc1ccccc1)NS(=O)(=O)c1ccc(Br)cc1 to produce CCOC(=O)c1cccc(NC(=O)[C@H](Cc2ccccc2)NS(=O)(=O)c2ccc(Br)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.