You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-N-[2-(1H-benzimidazol-2-yl)ethyl]-3-(3-methoxy-4-propoxyphenyl)prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H25N3O3
assistant