You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethane;3-fluoro-4-methylsulfanylbenzaldehyde;2-(3-fluoro-4-methylsulfanylphenyl)-1-phenylethanone;(E)-3-(3-fluoro-4-methylsulfanylphenyl)-2-phenylprop-2-enoic acid;2-phenylacetic acid by IUPAC nomenclature, provide its molecular formula.
user
C71H78F4O8S4
assistant