Using NS(=O)(=O)c1ccc(B(O)O)cc1, COC(=O)c1scc(C)c1Br to produce COC(=O)c1scc(C)c1-c1ccc(S(N)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.