Using O=[N+]([O-])c1cccnc1Cl, Cc1ccccc1C(=O)c1ccc(N)cc1Cl to produce Cc1ccccc1C(=O)c1ccc(Nc2ncccc2[N+](=O)[O-])cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.