Using CCOC(=O)C=Cc1ccc(-c2cc(OC)ccn2)cc1[N+](=O)[O-] to produce COc1ccnc(-c2ccc3ccc(=O)[nH]c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.