You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[2-(2,5-dioxoimidazolidin-1-yl)ethyl]-3-[(1-ethylcyclopentyl)methyl]-2-methylguanidine;hydroiodide ?
user
C15H28IN5O2
assistant