Satan has overcome them and made them forget the remembrance of Allah. Those are the party of Satan. Unquestionably, the party of Satan - they will be the losers.
The Saheeh International Quran Translation
ٱسْتَحْوَذَ عَلَيْهِمُ ٱلشَّيْطَٰنُ فَأَنسَىٰهُمْ ذِكْرَ ٱللَّهِ أُو۟لَٰٓئِكَ حِزْبُ ٱلشَّيْطَٰنِ أَلَآ إِنَّ حِزْبَ ٱلشَّيْطَٰنِ هُمُ ٱلْخَٰسِرُونَSatan has overcome them and made them forget the remembrance of Allah. Those are the party of Satan. Unquestionably, the party of Satan - they will be the losers.