You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[4-[[4-tert-butyl-6-(tert-butylamino)pyrimidin-2-yl]amino]phenyl]cyclobutyl] formate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H32N4O2
assistant