You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named methyl (15S)-3,15-diacetyloxy-14-hydroxy-10,13-dimethyl-11-oxo-2,3,4,5,6,7,8,9,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylate is given. What is its corresponding molecular formula?
user
C25H36O8
assistant