You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4,13-dithiatetracyclo[12.4.0.02,6.07,12]octadeca-1(18),2,5,7,9,11,14,16-octaene The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H10S2
assistant