You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-2-cyano-3-[(4-methylpyridin-2-yl)amino]-N-[3-(trifluoromethyl)phenyl]prop-2-enamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H13F3N4O
assistant