You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-methylhex-2-ene;1-[3-(4-methylpenta-1,3-dien-3-yl)benzimidazol-5-yl]ethanone;N-propylpropan-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H45N3O
assistant