Using COC(=O)c1ccc(O[Si](C)(C)C(C)(C)C)c(C(C)(C)C)c1 to produce CC(C)(C)c1cc(CO)ccc1O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.