You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[(6Z)-1-(5-methoxypent-1-en-2-yl)-6-(3-methylpentan-2-ylidene)pyridin-3-yl]methyl]cyclopropanamine by IUPAC nomenclature, provide its molecular formula.
user
C21H34N2O
assistant