You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-methyl-4-[3-[4-methyl-2-(trifluoromethyl)phenyl]-2-oxopropoxy]-5-octylthiophen-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H31F3O3S
assistant