You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (3S,3'S,4'R,5'S)-4'-[fluoro(dimethyl)silyl]-5'-(2-hydroxyethyl)-3'-methyl-1-[[3-(2-oxopyrrolidin-1-yl)phenyl]methyl]spiro[indole-3,2'-oxolane]-2-one ?
user
C27H33FN2O4Si
assistant