Using Cc1nc(N2CCOc3ccc(-c4ccc(N)c([N+](=O)[O-])c4)cc3C2)c2ccccc2n1 to produce Cc1nc(N2CCOc3ccc(-c4ccc(N)c(N)c4)cc3C2)c2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.