Using [N-]=[N+]=[N-], N#Cc1ccc(NC(=O)C(F)(F)C(F)(F)C(F)(F)F)cc1 to produce O=C(Nc1ccc(-c2nnn[nH]2)cc1)C(F)(F)C(F)(F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.