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-[[3-(2,5-dihydropyrrol-1-yl)phenyl]methyl]-1-ethyl-3-[1-(2,2,2-trifluoroethyl)pyrrolidin-3-yl]guanidine;hydroiodide .
user
C20H29F3IN5
assistant