You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-(3,4-dimethoxyphenyl)-1,3-thiazol-4-yl]-N-(1,1-dioxothiolan-3-yl)-N-propylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H26N2O5S2
assistant