You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(4,5-dimethyl-1,3-thiazol-2-yl)methyl]-2-methyl-3-[2-(2-propan-2-yl-1,3-thiazol-4-yl)ethyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H26IN5S2
assistant