You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[4-[(E)-2-[4-[2-[2-(2-(18F)fluoranylethoxy)ethoxy]ethoxy]phenyl]ethenyl]phenyl]-N-methylcarbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H34FNO5
assistant