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 (5Z)-3-(1,3-benzodioxol-5-ylmethyl)-5-(1-butyl-2-oxoindol-3-ylidene)-2-sulfanylidene-1,3-thiazolidin-4-one using the IUPAC nomenclature.
user
C23H20N2O4S2
assistant