You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-N-[2-[5-(hydroxymethyl)-1,2,4-oxadiazol-3-yl]ethyl]-2-piperidin-1-ylpropanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H22N4O3
assistant