You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[1-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)ethyl]-1-methyl-1-[2-(4-methyl-1H-benzimidazol-2-yl)ethyl]urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H24N6O2
assistant