Using CCCCCCCCCCCCNC(=O)COc1ccc(OC(=O)c2ccccc2)cc1[N+](=O)[O-] to produce CCCCCCCCCCCCNC(=O)COc1ccc(O)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.