You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[2-[2-(3,4-dimethoxyphenyl)-1,3-thiazol-4-yl]acetyl]amino]-N-propylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25N3O4S
assistant