Using CC(C)[Si](OCc1ccc(C(O)c2cccc(C#N)c2)cc1)(C(C)C)C(C)C to produce CC(C)[Si](OCc1ccc(C(=O)c2cccc(C#N)c2)cc1)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.