You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[1-(dimethylamino)-3-methylcyclohexyl]methyl]-2-[(4,5-dimethyl-1,3-thiazol-2-yl)methyl]-3-ethylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H36IN5S
assistant