You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1,3-benzodioxol-5-yl(methylsulfonyl)amino]-N-(5-benzylsulfanyl-1,3,4-thiadiazol-2-yl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H18N4O5S3
assistant