You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(2-chloro-4-fluorophenyl)methylsulfanyl]-4H-1lambda6,2,4-benzothiadiazine 1,1-dioxide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H10ClFN2O2S2
assistant