chess.com daily puzzle 20211202 While my KIngside Gently Weeps, black to move, difficult level: Step 2

chess.com daily puzzle 20211202 While my KIngside Gently Weeps, black to move, difficult level: Step 2

Be brave. Giving away (sacrifice) is nothing in chess. 

My analysis: https://youtu.be/xF4kkUmSDmI