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 4-[(8S,9S,10R,13S,14S,17R)-17-hydroxy-13-methyl-11-methylidene-3-oxo-2,6,7,8,9,10,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]pent-4-enoic acid .
user
C24H32O4
assistant