You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
13-(dimethylamino)-12-(iodomethyl)-5-[4-(iodomethyl)phenyl]-8-thia-3,5,11-triazatricyclo[7.4.0.02,7]trideca-1(13),3,9,11-tetraen-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18I2N4OS
assistant