You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(1,3-dioxo-3a,4,5,6,7,7a-hexahydroisoindol-2-yl)-N-(1,3-thiazol-2-yl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H15N3O3S
assistant