Dua against the distractions of Satan during the prayer

” I seek refuge in Allah from Satan, the outcast”

(then spit to your left)

(Do this three times reciting in Arabic)

أَعُوذُ بِاللَّهِ مِنَ الشَّيْطانِ الرَّجِيْمِ
‘A’oothu billaahi minash-Shaytaanir-rajeem

Reference: Muslim