You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1,3-benzodioxol-5-ylmethyl)-2-chloro-4-[(4S)-4-methyl-1,1,3-trioxo-1,2-thiazolidin-2-yl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17ClN2O6S
assistant