You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[10-(1-azoniabicyclo[2.2.2]octan-1-yl)decyl]-1-azoniabicyclo[2.2.2]octane;dibromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H46Br2N2
assistant