You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[2-(2,4-dimethyl-1,3-thiazol-5-yl)ethyl]-3-ethyl-2-(2-thiophen-3-ylpropyl)guanidine;hydroiodide .
user
C17H27IN4S2
assistant