You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-benzyl-5-[(5-methylsulfonyl-1,3-thiazol-2-yl)sulfanyl]-1,3,4-thiadiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H11N3O2S4
assistant