You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[3-[[(1S)-1-(3-propyl-1,2,4-oxadiazol-5-yl)ethyl]amino]phenyl]piperidin-2-one .
user
C18H24N4O2
assistant