You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,2R,4S)-4-(2-chloro-4-fluorophenyl)sulfonyl-N-(1-cyanocyclopropyl)-2-(hydroxymethyl)cyclopentane-1-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18ClFN2O4S
assistant