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 tert-butyl N-[(1R,2R)-2-[5-[[(2,2-difluoroacetyl)amino]carbamoyl]-3-oxo-1H-isoindol-2-yl]cyclohexyl]carbamate .
user
C22H28F2N4O5
assistant