You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-N-[2-[(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)methyl]phenyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H18N4O2
assistant