You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R,13S)-11-[4-[(E)-3-aminoprop-1-enyl]phenyl]-17-[(S)-hydroxy(sulfanyl)methyl]-5',5',13-trimethylspiro[1,2,4,6,7,8,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxane]-5-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H47NO4S
assistant