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-ethyl-3-[2-(2-fluorophenyl)ethyl]-2-[[1-(2-methoxyethyl)pyrrolidin-2-yl]methyl]guanidine;hydroiodide .
user
C19H32FIN4O
assistant