Using O=[N+]([O-])c1ccc2nc(Cl)nc(Cl)c2c1, CNc1ccc(OC)cc1 to produce COc1ccc(N(C)c2nc(Cl)nc3ccc([N+](=O)[O-])cc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.