You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[(2-ethoxypyridin-3-yl)methyl]-2-methyl-3-[(1-phenylsulfanylcyclopropyl)methyl]guanidine;hydroiodide using the IUPAC nomenclature.
user
C20H27IN4OS
assistant