You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl (2R)-3-cyclobutyl-2-[(3R,4S)-3-[[4-[3,3-difluoro-3-(4-fluorophenyl)propyl]piperidin-1-yl]methyl]-4-(3-fluorophenyl)pyrrolidin-1-yl]propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C39H46F4N2O2
assistant