You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[(4-methyl-1,3-thiazol-5-yl)methyl]-3-(1-propylpiperidin-4-yl)guanidine;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H28IN5S
assistant