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 1-[1-(3-chlorophenyl)pyrrolidin-3-yl]-3-[2-(dimethylamino)-2-(furan-2-yl)ethyl]-2-methylguanidine;hydroiodide .
user
C20H29ClIN5O
assistant