Sora提示词：Assist me in creating a 9:16 vertical video based on this re

Assist me in creating a 9:16 vertical video based on this reference image. The product depicted is a wireless domestic electric rotating brush designed for cleaning cooktops. Replace the cooktop scene with footage of this brush scrubbing a heavily soiled bathtub. The video should feature the rotating brush head cleaning the bathtub thoroughly from side to side. The visuals must appear as realistic as possible, incorporating multiple shots to demonstrate the electric brush's effectiveness