Using CCOC(=O)Cl, O=[N+]([O-])c1ccc2[nH]nc(O)c2c1 to produce CCOC(=O)n1nc(O)c2cc([N+](=O)[O-])ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.