You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[(Z)-[[4-[(4-chlorophenyl)methoxy]benzoyl]hydrazinylidene]methyl]phenyl] 3-chlorobenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H20Cl2N2O4
assistant