أَعُوْذُ بِاللَّهِ مِنَ الشَّيْطَانِ الرَّجِيمِ
اَعُوْذُ بِاللّٰهِ مِنَ الشَّيْطَانِ الرَّجِيْمِ
A'oodhu billaahi minash-Shaytaanir-rajeem
I seek refuge in Allah from Satan the outcast.
Allah's Messenger (ﷺ) said, "Satan comes to one of you and says, 'Who created so-and-so? 'till he says, 'Who has created your Lord?' So, when he inspires such a question, When he reaches that stage, he should say - (The dua is mentioned above)