You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[5-[2-[5-cyclopropyl-3-(trifluoromethyl)pyrazol-1-yl]ethyl]-1,2,4-oxadiazol-3-yl]phenoxy]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H18F3N5O3
assistant