Using CC(C)(C)[C@@H](CO)NC(=O)[C@@H](CC(=O)NO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C)n1ccc(-c2ccc(-c3ccncc3)cc2)c1 to produce CC(C)(C)[C@@H](CO)NC(=O)[C@@H](CC(=O)NO)n1ccc(-c2ccc(-c3ccncc3)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.