Using COC(=O)C(NS(=O)(=O)c1ccc(Br)cc1)C(C)C, OCc1ccc(B(O)O)cc1 to produce COC(=O)C(NS(=O)(=O)c1ccc(-c2ccc(CO)cc2)cc1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.