Using CC(C)(C)[Si](C)(C)Cl, CC1(C)c2cc(O)ccc2C(=O)c2c1[nH]c1cc(C#N)ccc21 to produce CC1(C)c2cc(O[Si](C)(C)C(C)(C)C)ccc2C(=O)c2c1[nH]c1cc(C#N)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.