You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[3-[(5Z)-5-[(4-chlorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-2,5-dioxopyrrolidin-1-yl]benzenesulfonamide into its molecular formula.
user
C20H14ClN3O5S3
assistant