You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R,5aS,8aR,9R)-7,7-dioxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8,8a,9-hexahydro-[2]benzothiolo[5,6-f][1,3]benzodioxol-5-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H24O8S
assistant