Not graded
Hisn al-Muslim (Fortress of the Muslim) 42
((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. 42).