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-(3,4-dihydro-2H-chromen-4-yl)-2-[2-[methyl(thiophen-2-ylsulfonyl)amino]ethyl]guanidine;hydroiodide .
user
C17H23IN4O3S2
assistant