You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-tert-butyl-1-azabicyclo[2.2.2]octane;tert-butylcycloheptane;2-tert-butylspiro[3.3]heptane;ethane;2-propan-2-yl-1,2,3,3a,4,5,6,6a-octahydropentalene;2-propan-2-yl-7-azabicyclo[2.2.1]heptane;6-propan-2-ylbicyclo[3.1.0]hexane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C64H122N2
assistant