Using CCOC(=O)C(C#N)c1ccc(CO[Si](C(C)C)(C(C)C)C(C)C)cc1 to produce CCOC(=O)C(CN)c1ccc(CO[Si](C(C)C)(C(C)C)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.