You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
but-3-enyl (2S,3S,4S)-2-azido-4-[4-[tert-butyl(dimethyl)silyl]oxyphenyl]-4-[tert-butyl(diphenyl)silyl]oxy-3-methylbutanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C37H51N3O4Si2
assistant