You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3E)-4-(N-[3,4-bis(ethenyl)-7-methyl-9,9-diphenylfluoren-2-yl]-3-fluoroanilino)-2-methylidenehexa-3,5-dienenitrile ?
user
C43H33FN2
assistant