You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-[4-[(2-methylpropan-2-yl)oxycarbonylamino]-1-(2-methylpropyl)piperidin-4-yl]-1,2,4-oxadiazol-5-yl]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H32N4O5
assistant