You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
propan-2-yl 4-[[4-(2-fluoro-4-methylsulfinylphenyl)phenoxy]methyl]piperidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H28FNO4S
assistant