You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2Z,4E)-5-[1-(cyclopropylmethyl)-3-prop-1-en-2-yl-2H-pyridin-6-yl]-N-methylhexa-2,4-dien-1-imine;ethane is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H38N2
assistant