Using CCOC(=O)c1cc([N+](=O)[O-])c2[nH]c(-c3ccccc3)cc2c1 to produce O=[N+]([O-])c1cc(CO)cc2cc(-c3ccccc3)[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.