Using OB(O)c1ccc(Br)cc1, CC(=O)NC(C)(C)c1ccc(I)nc1 to produce CC(=O)NC(C)(C)c1ccc(-c2ccc(Br)cc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.