Using Nc1nc(O)c([N+](=O)[O-])c(Cl)n1, CCC(N)(CC)C(CO)=NO to produce CCC(CC)(Nc1nc(N)nc(O)c1[N+](=O)[O-])C(CO)=NO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.