Using COC(=O)CCC[C@H](O[Si](C)(C)C(C)(C)C)[C@@H](/C=C/I)O[Si](C)(C)C(C)(C)C, OB(O)c1ccccc1Br to produce COC(=O)CCC[C@H](O[Si](C)(C)C(C)(C)C)[C@@H](/C=C/c1ccccc1Br)O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.