Using CCOC(=O)C1CC(=O)c2cc(N)ccc21, O=[N+]([O-])c1cccnc1Cl to produce CCOC(=O)C1CC(=O)c2cc(Nc3ncccc3[N+](=O)[O-])ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.