You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3S,3aR,4R,4aS,8aR,9aS)-3-methyl-4-[3-(4-nitrophenyl)sulfonylpropyl]-3a,4,4a,5,6,7,8,8a,9,9a-decahydro-3H-benzo[f][2]benzofuran-1-one ?
user
C22H29NO6S
assistant