You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(1,3-benzodioxol-5-yl)-1-[4-(dibutylamino)phenyl]-2-(4-methoxyphenyl)pyrrolidine-3-carboxylic acid;1-fluoro-4-nitrobenzene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C39H44FN3O7
assistant