You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5E)-5-[[1-(1,3-benzodioxol-5-yl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-(2-methoxyethyl)-1,3-thiazolidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H20N2O5S
assistant