Using COC(OC)OC, CC(C)(C)[Si](C)(C)O[C@H]1CC(=O)O[C@H](C(O)O)C1 to produce COC(OC)[C@@H]1C[C@@H](O[Si](C)(C)C(C)(C)C)CC(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.