You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[(2,2-dioxo-3H-1,2lambda6,3-benzoxathiazol-6-yl)methyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H16N2O5S
assistant