You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4,6-dimethylpyrimidin-2-yl)-(4,6-dimethylpyrimidin-2-yl)sulfanyl-bis(sulfanylidene)-lambda6-sulfane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H14N4S4
assistant