Using Cn1cc(Br)nc(N)c1=O, CS(=O)(=O)c1cccc(B(O)O)c1 to produce Cn1cc(-c2cccc(S(C)(=O)=O)c2)nc(N)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.