Using COC(=O)[C@@H](NC(=O)OC(C)(C)C)[C@@H](C)O, CC(C)(C)[Si](Cl)(c1ccccc1)c1ccccc1 to produce COC(=O)[C@@H](NC(=O)OC(C)(C)C)[C@@H](C)O[Si](c1ccccc1)(c1ccccc1)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.