Using Cc1ccc(S(=O)(=O)n2cc(-c3nccs3)c3cc(Br)cnc32)cc1, OB(O)c1cccnc1 to produce c1cncc(-c2cnc3[nH]cc(-c4nccs4)c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.