You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(4-fluorophenyl)-3-[2-(8-methoxy-3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl]-5-methyl-1,3-thiazol-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H21FN2O3S
assistant