Using COC(=O)c1cc([N+](=O)[O-])c(N(C)C(C)=O)cc1OC to produce CNc1cc(OC)c(C(=O)O)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.