You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 3-anilino-2-[(1,3-dioxo-2-pentan-3-ylisoindol-4-yl)hydrazinylidene]-3-sulfanylidenepropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H24N4O4S
assistant