Not graded
Hisn al-Muslim (Fortress of the Muslim) 34
((سُبْحَانَكَ اللَّهُمَّ رَبَّنَا وَبِحَمْدِكَ، اللَّهُمَّ اغْفِرْ لِي)).
(How perfect You are O Allah, our Lord and I praise You. O Allah, forgive me.)
Cited in Hisn al-Muslim (Fortress of the Muslim) (No. 34).