You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N,3,4-trimethyl-N-[2-oxo-2-[2-(4-oxo-3-propylphthalazine-1-carbonyl)hydrazinyl]ethyl]benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27N5O5S
assistant