You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(8lambda3-ioda-7-thia-9-azabicyclo[4.3.0]nona-1,3,5,8-tetraen-5-yl)ethanethione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C8H6INS2
assistant