You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,3-dimethyl-5-[(3R)-3-methylpiperazin-1-yl]sulfonylpyrimidine-2,4-dione;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H19ClN4O4S
assistant