You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[(2S,4R,5R)-4-[4-[[(2S)-3-methoxy-2-methylpropoxy]methyl]phenyl]-5-[[4-(3-methoxypropyl)-2,3-dihydro-1,4-benzoxazin-6-yl]methoxy]-1-(4-methylphenyl)sulfonylpiperidin-2-yl]acetonitrile by IUPAC nomenclature, provide its molecular formula.
user
C39H51N3O7S
assistant