You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[4-(pyridin-4-ylmethyl)piperazin-1-yl]-3-(3-pyridin-4-yl-1,2,4-oxadiazol-5-yl)propan-1-one using the IUPAC nomenclature.
user
C20H22N6O2
assistant