once
لَّا إِلَهَ إِلَّا أَنتَ سُبْحَانَكَ إِنِّي كُنتُ مِنَ الظَّالِمِينَ
Meaning
«There is no deity except You; exalted are You. Indeed, I have been of the wrongdoers»
Source and references
21:87The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Supplications from the Quran. Open source ↗