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