You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,4-difluoro-2-N-(2-fluoro-4-iodophenyl)-6-methoxy-1-N-[(1-methylcyclopropyl)sulfamoyl]benzene-1,2-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17F3IN3O3S
assistant