Using N#CCN(c1ccc(Cl)cc1)c1nc(=O)c2cccnc2s1, [N-]=[N+]=[N-] to produce O=c1nc(N(Cc2nnn[nH]2)c2ccc(Cl)cc2)sc2ncccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.