You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-(2H-tetrazol-5-yl)-5-thia-1,10,11,12-tetrazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,11-pentaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C8H4N8S
assistant