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