You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-cyclopropyl-3-[(8R,9S,13S,14S,15R)-17,17-difluoro-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-15-yl]propanamide .
user
C24H31F2NO2
assistant