You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-ethyl-N-[(3S,4S)-4-hydroxypyrrolidin-3-yl]-N-methyl-1H-imidazole-5-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C10H18N4O3S
assistant