Using CN1CCNCC1, Nc1cc(Cl)nc(Cl)c1[N+](=O)[O-] to produce CN1CCN(c2nc(Cl)cc(N)c2[N+](=O)[O-])CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.