Using CC(C)(C)OC(=O)N[C@@H](C[C@H](CNC(=O)OCc1ccccc1)O[Si](C)(C)C(C)(C)C)C(=O)NCCNC(=O)OCc1ccccc1 to produce CC(C)(C)[Si](C)(C)O[C@@H](CNC(=O)OCc1ccccc1)C[C@H](N)C(=O)NCCN(Cc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.