You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N-[[6-(2-methoxyethoxy)pyridazin-3-yl]methyl]-3-(5-methylpyridin-3-yl)prop-2-enamide into its molecular formula.
user
C17H20N4O3
assistant