Using Cc1ccc(-c2ccc(C[C@@H](C[C@H](O[Si](C)(C)C(C)(C)C)[C@H](Cc3ccccc3)NC(=O)OC(C)(C)C)NC(=O)OCc3ccccc3)cc2)nc1 to produce Cc1ccc(-c2ccc(C[C@@H](C[C@H](O)[C@H](Cc3ccccc3)NC(=O)OC(C)(C)C)NC(=O)OCc3ccccc3)cc2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.