You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[5-[(2-chlorophenyl)methyl]-1,1-dioxo-1,2,5-thiadiazolidin-2-yl]-N-(2-ethoxyphenyl)acetamide is given. What is its corresponding molecular formula?
user
C19H22ClN3O4S
assistant