You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-tert-butyl-1,2-oxazol-5-yl)-2-[4-(trifluoromethyl)pyrimidin-2-yl]sulfanylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H15F3N4O2S
assistant