Using CCOC(=O)C(C)=Cc1cc(OC)c(OC)cc1[N+](=O)[O-] to produce COc1cc(C=C(C)C(=O)O)c([N+](=O)[O-])cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.