You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[(E)-[[2-[(4-chlorobenzoyl)amino]acetyl]hydrazinylidene]methyl]phenyl] 2,4-dichlorobenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H16Cl3N3O4
assistant