Using CC1(C)S[C@@H]2C(Nc3ncc[nH]3)C(=O)N2C1C(=O)OCc1ccc([N+](=O)[O-])cc1 to produce CC1(C)S[C@@H]2C(Nc3ncc[nH]3)C(=O)N2C1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.