Using CN, CSC(=N[N+](=O)[O-])N(Cc1cnc(Cl)s1)C(=O)C(C)C to produce CNC(=N[N+](=O)[O-])N(Cc1cnc(Cl)s1)C(=O)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.