Using O=S(=O)(Cl)c1ccc(Br)cc1, COC(=O)[C@H](N)Cc1c[nH]c2ccccc12 to produce COC(=O)[C@@H](Cc1c[nH]c2ccccc12)NS(=O)(=O)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.