You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(5S,8S,10R,13S,14S,17S)-10-(hydroxymethyl)-3,3,13-trimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2-(4-methylsulfonylpiperazin-1-yl)ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H48N2O4S
assistant