Using CC1(C)OC2O[C@H](CO[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)[C@@H](O)[C@@]2(C)O1, II to produce CC1(C)OC2O[C@H](CO[Si](c3ccccc3)(c3ccccc3)C(C)(C)C)[C@H](I)[C@@]2(C)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.