Using C#Cc1cnn(C)c1, CS(=O)(=O)Nc1cc(Br)ncc1I to produce Cn1cc(-c2cc3cnc(Br)cc3n2S(C)(=O)=O)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.