Using NC(=O)c1cc([N+](=O)[O-])ccc1NC(=O)c1cnccn1 to produce O=c1[nH]c(-c2cnccn2)nc2ccc([N+](=O)[O-])cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.