Using O=C(N1CCc2ccc(Cl)c(C#Cc3ccccc3)c2CC1)C(F)(F)F, [N-]=[N+]=[N-] to produce O=C(N1CCc2ccc(Cl)c(-c3[nH]nnc3-c3ccccc3)c2CC1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.