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 1-ethyl-3-[2-(furan-2-yl)-2-hydroxypropyl]-2-(2-methyl-2-phenylpropyl)guanidine;hydroiodide .
user
C20H30IN3O2
assistant