Using NCc1ccccc1, CC(C)(C)OC(=O)N[C@@H](CC=O)CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C to produce CC(C)(C)OC(=O)N[C@@H](CCNCc1ccccc1)CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.