You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-[5-(3-chlorophenyl)furan-2-yl]methylideneamino]-2-(naphthalen-1-ylamino)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H18ClN3O2
assistant