You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-fluoro-5-(4-fluorophenyl)-1-sulfamoyl-1,3,4-thiadiazol-2-yl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H12F2N4O3S2
assistant