You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(4aR,8aS)-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-yl]-2-[4-(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl)piperazin-1-yl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H33N3O5S
assistant