Using CCCN, O=Cc1cc(Oc2cccc(NC(=O)OCc3ccccc3)c2)ccc1[N+](=O)[O-] to produce CCCNCc1cc(Oc2cccc(NC(=O)OCc3ccccc3)c2)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.