You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[2-(6-methylpyridin-2-yl)ethyl]-4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]-1H-pyridin-2-one into its molecular formula.
user
C16H13F3N4O2
assistant