Using CCCCOc1cc(C(=O)O)cc([N+](=O)[O-])c1C(=O)c1ccccc1 to produce CCCCOc1cc(C(=O)O)cc(N)c1C(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.