You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-ethyl-1-methyl-2-[2-(naphthalen-1-ylmethylsulfanyl)ethyl]-1-(oxolan-3-ylmethyl)guanidine;hydroiodide .
user
C22H32IN3OS
assistant