You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-methyl-5-[(5-pyrrolidin-1-ium-2-yl-1,3,4-oxadiazol-2-yl)sulfanylmethyl]-1H-pyrimidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H16N5O3S+
assistant