Using CC(C)(C)[Si](C)(C)Oc1ccc2c(c1)C(=O)c1ccccc1CO2 to produce CC(C)(C)[Si](C)(C)Oc1ccc2c(c1)C(O)c1ccccc1CO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.