You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,3R)-N-[(1R)-1-[4-(3-chloropyridin-4-yl)phenyl]ethyl]-4-(1,3-dihydroisoindol-2-yl)-2,3-dihydroxy-4-oxobutanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H24ClN3O4
assistant