You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-[2-(1H-benzimidazol-2-yl)phenyl]-1,3,4-oxadiazol-2-yl]-4-methylbenzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H17N5O2
assistant