You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5E)-5-[(3-chloro-4-methoxyphenyl)methylidene]-2-phenylimino-1,3-thiazolidin-4-one by IUPAC nomenclature, provide its molecular formula.
user
C17H13ClN2O2S
assistant