Using COc1ccc(C2(CCCO[Si](C)(C)C(C)(C)C)OCc3cc(C#N)ccc32)cc1 to produce COc1ccc(C2(CCCO)OCc3cc(C#N)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.