Surah An-Noor, Verse 7
وَٱلْخَٰمِسَةُ أَنَّ لَعْنَتَ ٱللَّهِ عَلَيْهِ إِن كَانَ مِنَ ٱلْكَٰذِبِينَ
Translation — Sahih International
And the fifth [oath will be] that the curse of Allah be upon him if he should be among the liars.
Source
Kur'an-ı Kerim, Nûr Suresi 24:7
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/24-suresi-7-ayet