Using CC1=C(C(=O)O)C(c2cccc([N+](=O)[O-])c2)C2=C(CCCC2=O)N1 to produce CC1=CC(c2cccc([N+](=O)[O-])c2)C2=C(CCCC2=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.