You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-[4-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]methylideneamino]-1-(2-methoxyphenyl)methanamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H23ClN2O3
assistant