You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1,1-dioxothian-3-yl)methyl]-1-[4-(trifluoromethoxy)phenyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H19F3IN3O3S
assistant