You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(oxan-2-yloxyimino)propyl]-4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H19F3N4O4
assistant