You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[3-[[(2S)-1-(tert-butylamino)-1-oxopropan-2-yl]-(cyclohexylmethyl)amino]-2-hydroxypropyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H43N3O4
assistant