You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(7R,10R,13S,17R)-7-cyclopropyl-2'-hydroxy-13-methylspiro[1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,5'-2H-furan]-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H32O3
assistant