Using COC(=O)[C@@H]1C[C@@H](O)CN1c1ncc(C#N)cc1Cl, CC(C)(C)[Si](C)(C)Cl to produce COC(=O)[C@@H]1C[C@@H](O[Si](C)(C)C(C)(C)C)CN1c1ncc(C#N)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.