You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (Z)-3-[4-chloro-2-(trifluoromethyl)anilino]-2-cyano-N-[1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]prop-2-enamide into molecular formula.
user
C23H21ClF3N3O
assistant