You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-bromo-4-[(E)-4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-1-enyl]phenyl]-2-ethyl-4-oxo-N-(2,2,2-trifluoroethyl)butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H19BrCl3F6NO2
assistant