You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (Z)-2-cyano-3-[4-(diethylamino)-2-methylanilino]-N-methyl-N-(1-methylpiperidin-4-yl)prop-2-enamide;chloride .
user
C22H33ClN5O-
assistant