Using CC(C)(C)[Si](C)(C)Cl, O=C(CC[C@@H](CO)NC(=O)OCc1ccccc1)NC(c1ccccc1)(c1ccccc1)c1ccccc1 to produce CC(C)(C)[Si](C)(C)OC[C@H](CCC(=O)NC(c1ccccc1)(c1ccccc1)c1ccccc1)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.