You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-5-[(4-chloro-3-nitrophenyl)methylidene]-3-phenyl-2-phenylimino-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H14ClN3O3S
assistant