You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-(3-chloro-4-fluoro-N-methylsulfonylanilino)-N-[3-[(2-methylphenyl)methylsulfanyl]propyl]acetamide using the IUPAC nomenclature.
user
C20H24ClFN2O3S2
assistant