You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]-N-(furan-2-ylmethyl)butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H16ClN3O3
assistant