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-(3,4-dihydro-2H-chromen-4-yl)-2-methyl-3-(2-phenoxypropyl)guanidine;hydroiodide using the IUPAC nomenclature.
user
C20H26IN3O2
assistant