You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[3-[2-(N-acetylanilino)-1,3-thiazol-4-yl]prop-2-enoylamino]-N-methylbenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20N4O3S
assistant