You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(3S,4S)-4-(dimethylsulfamoylmethyl)oxolan-3-yl]-5-methyl-1H-imidazole-4-carboxamide into its molecular formula.
user
C12H20N4O4S
assistant