Using COC(=O)Nc1cccc(C)c1CCl, O=[N+]([O-])c1ncccc1O to produce COC(=O)Nc1cccc(C)c1COc1cccnc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.