You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-(3-fluoro-4-methylanilino)-1-oxopropan-2-yl] (2S)-2-[(3aS,7aR)-1,3-dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl]propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H23FN2O5
assistant