You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(2E)-4-[3-fluoro-2-(2,3,3-trimethylbutan-2-yl)phenyl]-3-methylpenta-2,4-dien-2-yl]methanimine .
user
C20H28FN
assistant