Using CC[Si](CC)(CC)O[C@@H]1[C@@H](CO)OCC[C@@]12CO2 to produce CC[Si](CC)(CC)O[C@@H]1[C@@H](C=O)OCC[C@@]12CO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.