You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(3,5-difluoro-4-methylsulfonylphenyl)-3-(3,4-difluorophenyl)-5-methyl-1,2-oxazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H11F4NO3S
assistant