You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S)-1-tert-butyl-4-[1-[(2S)-2-hydroxy-3-(3-methylphenoxy)propyl]benzimidazol-2-yl]pyrrolidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H31N3O3
assistant