You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,6R)-6-[(4S,5R,10S,13R,14S,17R)-14-hydroxy-4,10,13-trimethyl-3,7,11-trioxo-2,4,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-3-methylideneheptanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H40O6
assistant