You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5E)-3-(3-chloro-4-fluorophenyl)-5-[(4-propoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one ?
user
C19H15ClFNO2S2
assistant