You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,4R)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-(5-phenoxypent-3-ynyl)azetidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H33NO3Si
assistant