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-cyanobenzoyl)-N-[(3-methyl-1,2,4-oxadiazol-5-yl)methyl]piperidine-4-carboxamide .
user
C18H19N5O3
assistant