You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[2-[2-fluoro-4-[3-fluoro-4-(1-piperidin-1-ylethenyl)phenyl]phenyl]ethyl]-1-(2-fluoro-2-methylpropyl)piperidine into molecular formula.
user
C30H39F3N2
assistant