You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(6-bromo-1,3-benzodioxol-5-yl)methylidene]-3-phenyl-2-phenylimino-1,3-thiazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H15BrN2O3S
assistant