Using CCOC(=O)c1cn2ncnc(N)c2c1-c1ccc([N+](=O)[O-])cc1 to produce CCOC(=O)c1cn2ncnc(N)c2c1-c1ccc(N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.