Using COC(=O)CC[C@H](O)CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C, II to produce COC(=O)CC[C@@H](I)CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.