You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-[(2,2-difluorocyclopropyl)methyl]-3-methyl-2,2-dioxo-2lambda6,1,3-benzothiadiazol-5-yl]-4-(6-methylpyrazin-2-yl)oxybenzonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H19F2N5O3S
assistant