Using O=[N+]([O-])c1ccc(O)cc1, CCCC/C(=C\C=C\C(=O)O)c1cccc(OC)c1 to produce CCCC/C(=C\C=C\C(=O)Oc1ccc([N+](=O)[O-])cc1)c1cccc(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.