请帮我翻译如下文字:translate“Snu398 or HepG2 cells were plated at 7,500,000/mL in 100 μL R10 per well into 96-well plates and allowed to attach overnight. Compound dose responses were prepared in DMSO for nine points in 3-fold dilutions from30 μM and added to the cells in 100 μL R10 medium.” into Chinese I want the entire output in JSON format.
user