You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S)-1-[[(2S,4S,5R,6R)-6-[4-(hydroxymethyl)phenyl]-5-methyl-2-[4-[3-[(prop-2-enoxycarbonylamino)methyl]phenyl]phenyl]-1,3-dioxan-4-yl]methyl]pyrrolidine-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H48N2O7
assistant