You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2E,5E)-5-(2,3-dihydro-1,4-benzodioxin-6-ylmethylidene)-2-(3,3-dimethyl-2-oxobutylidene)-1,3-thiazolidin-4-one into molecular formula.
user
C18H19NO4S
assistant