You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[2-(furan-2-yl)ethyl]-1-methyl-2-(oxolan-3-ylmethyl)-1-pent-4-enylguanidine;hydroiodide .
user
C18H30IN3O2
assistant