You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-chloro-N-[(Z)-[(4R)-1-ethyl-2,2,4,7-tetramethyl-3,4-dihydroquinolin-6-yl]methylideneamino]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H28ClN3O
assistant