You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6R,8S,9R,11R,12R,16S)-8-tert-butyl-6,12,17-trihydroxy-16-methyl-9-tritio-2,4,14,19-tetraoxahexacyclo[8.7.2.01,11.03,7.07,11.013,17]nonadecane-5,15,18-trione is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H24O10
assistant