You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4S)-1-(2-fluorophenyl)-4-[1-[(2S)-2-hydroxy-3-(3-methylphenoxy)propyl]benzimidazol-2-yl]pyrrolidin-2-one .
user
C27H26FN3O3
assistant