You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name N-(2,4-difluorophenyl)-2-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methylsulfanyl]propanamide ?
user
C19H17F2N3O2S
assistant