Using CC(C)(C)[Si](OCCC1CC(=O)C1)(c1ccccc1)c1ccccc1 to produce CC(C)(C)[Si](OCCC1CC(O)C1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.