Opening duas after takbeer (3)
سُبْحَانَكَ اللَّهُمَّ وَبِحَمْدِكَ، وَتَبَارَكَ اسْمُكَ، وَتَعَالَى جَدُّكَ، وَلَا إِلَهَ غَيْرُكَ
Subhaanaka Allaahumma wa bihamdika, wa tabaarakasmuka, wa ta'aalaa jadduka, wa laa 'ilaaha ghayruka
Glory is to You O Allah, and praise. Blessed is Your Name and Exalted is Your Majesty. There is none worthy of worship but You.
Source: An-Nasa'i: 900, At-Tirmidhi: 243,