Using CC(C)(C)[Si](C)(C)O[C@@H]1C[C@@H](CSCC(O)CN=[N+]=[N-])N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1 to produce CC(C)(C)[Si](C)(C)O[C@@H]1C[C@@H](CSCC(O)CN)N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.