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