Using O=[N+]([O-])c1ccc(-c2cc(N3CC4CCC(C3)O4)nc(-c3ccc([N+](=O)[O-])cc3)n2)cc1 to produce Nc1ccc(-c2cc(N3CC4CCC(C3)O4)nc(-c3ccc(N)cc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.