You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-(1-fluoroethoxy)phenyl]-3-methyl-5-[2-(3-methyl-1,1-dioxothietan-3-yl)acetyl]-3H-indol-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H24FNO5S
assistant