Using N#Cc1c(-c2ccc(Cl)cc2Cl)cn2ccnc2c1N=[N+]=[N-] to produce N#Cc1c(-c2ccc(Cl)cc2Cl)cn2ccnc2c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.