You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-[[4-(2-quinolin-2-ylsulfonylethoxy)phenyl]methylidene]-1,3-thiazolidine-2,4-dione using the IUPAC nomenclature.
user
C21H16N2O5S2
assistant