You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[5-[(3aS,4S,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoyloxy]-2,5-dioxopyrrolidine-3-sulfonic acid is given. What is its corresponding molecular formula?
user
C14H19N3O8S2
assistant