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-(5,5-dimethylhexan-2-yl)-3-ethyl-2-[3-oxo-3-(4-pyrimidin-2-ylpiperazin-1-yl)propyl]guanidine;hydroiodide .
user
C22H40IN7O
assistant