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 2-[[6-(2,6-dimethylmorpholin-4-yl)pyridin-3-yl]methyl]-1-(3-ethylphenyl)guanidine;hydroiodide .
user
C21H30IN5O
assistant