You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule O-[[(13S,17S)-2-ethyl-13-methyl-17-(methylsulfanylmethyl)-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl]oxysulfanyloxy]hydroxylamine ?
user
C22H33NO3S2
assistant