You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-5-[[5-(3-chlorophenyl)furan-2-yl]methylidene]-3-(2,4-dimethoxyphenyl)-2-sulfanylidene-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H16ClNO4S2
assistant