Bismillah, was-salatu was-salamu ‘ala rasulillah. Allahummaf-tah li abwaba rahmatik.

Dua in Arabic:- بِسْمِ اللَّهِ، وَالصَّلَاةُ وَالسَّلَامُ عَلَى رَسُولِ اللَّهِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِك
Transliteration:- Bismillah, waṣ-ṣalatu was-salamu ‘ala rasulillah.
Allahummaf-taḥ li abwaba rahmatik.
Translation:- In the name of Allah, and blessings and peace be upon the Messenger of Allah.
O Allah, open the doors of Your mercy for me.