Using Cc1nn(C)cc1C=O, Nc1ncc(Cl)c(N2CCN(Cc3ncon3)CC2)c1[N+](=O)[O-] to produce Cc1nn(C)cc1-c1nc2c(N3CCN(Cc4ncon4)CC3)c(Cl)cnc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.