Using Cc1cc(C)nc(N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)c1 to produce Cc1cc(C)nc(N2CCN(c3ccc(N)cc3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.