You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(dimethylamino)methyl]-1,3-thiazol-4-yl]methyl 3-(4-oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)propanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H24N4O3S2
assistant