You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[4-(N-[4-[3-[4-(N-[4-[4-(5-phenyl-1,3,4-oxadiazol-2-yl)phenyl]phenyl]anilino)phenyl]quinoxalin-2-yl]phenyl]anilino)phenyl]phenyl]ethenyl (Z)-benzenecarbohydrazonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C73H52N8O2
assistant