You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[2-(2-ethylbenzimidazol-1-yl)ethyl]-5-(2-methyl-1-phenylpropan-2-yl)-1,3,4-oxadiazole ?
user
C23H26N4O
assistant