You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-[6-amino-8-[[6-(1H-pyrazol-5-yl)-1,3-benzodioxol-5-yl]sulfanyl]purin-9-yl]pentane-1-sulfonamide ?
user
C20H22N8O4S2
assistant