You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (3aR,6aS)-5,5-dioxo-3-propan-2-yl-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]oxazole-2-thione ?
user
C8H13NO3S2
assistant