You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[(E)-[[2-[(4-chlorophenyl)sulfonylamino]benzoyl]hydrazinylidene]methyl]phenyl] 2-fluorobenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H19ClFN3O5S
assistant