Using CC(=O)OCCOC1(O)C=CC(O)(OCCOC(C)=O)C([N+](=O)[O-])=C1 to produce CC(=O)OCCOc1ccc(OCCOC(C)=O)c(N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.