Using O=[N+]([O-])c1ccc(Cl)cc1CN(Cc1ccccn1)Cc1ccccn1 to produce Nc1ccc(Cl)cc1CN(Cc1ccccn1)Cc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.