You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3R,4R)-4-hydroxypyrrolidin-3-yl]-N-methyl-1,1-dioxothiolane-3-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C9H18N2O5S2
assistant