You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(4-fluorophenyl)sulfonyl-N-[2-(4-methoxyphenyl)ethyl]-2-(4-methylphenyl)-1,3-oxazol-5-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H23FN2O4S
assistant