You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[8b-(4-fluorophenyl)sulfonyl-6-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)-1,2,3a,4-tetrahydroindeno[2,1-b]pyrrole-3-carbonyl]bicyclo[2.2.2]octane-1-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H27F8NO5S
assistant