You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R,5R)-5-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)-2-methylpiperidin-1-yl]-[2-(triazol-2-yl)phenyl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H22N6O2
assistant