You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1,1-dioxothiolan-3-yl)methyl]-1-propan-2-yl-3-prop-2-ynylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H22IN3O2S
assistant