Using O=S(=O)(Cl)c1ccc(Br)cc1, C[C@@H]1C[C@H]1NC(=O)OCc1ccccc1 to produce C[C@@H]1C[C@H]1NS(=O)(=O)c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.