You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-[[(2S)-3-hydroxy-3-methylbutan-2-yl]amino]pyrimidin-4-yl]-1-phenyl-3-(2,3,5-trifluorophenyl)urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H22F3N5O2
assistant