You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
bis(3,3,5,5,7,7,8,8,9,9,10,10,10-tridecafluorodecyl) (E)-but-2-enedioate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H18F26O4
assistant