Using N#CCNC1c2ccccc2CC1NC(=O)c1cc2cc(Cl)ccc2[nH]1, [N-]=[N+]=[N-] to produce O=C(N[C@@H]1Cc2ccccc2[C@H]1NCc1nnn[nH]1)c1cc2cc(Cl)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.