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 N-[5-[[(1R,2R,4S)-2-bicyclo[2.2.1]heptanyl]sulfamoyl]-1,3,4-thiadiazol-2-yl]-2-methylpropanamide ?
user
C13H20N4O3S2
assistant