You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[N-(benzenesulfonyl)-4-chloroanilino]-N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H23ClN4O4S
assistant