Using NS(=O)(=O)c1ccc(Br)s1, COC(=O)c1cccc(B(O)O)c1 to produce COC(=O)c1cccc(-c2ccc(S(N)(=O)=O)s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.