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-[7-(dimethylamino)heptyl]-2-methyl-3-[(3-propan-2-yl-1,2-oxazol-5-yl)methyl]guanidine;hydroiodide .
user
C18H36IN5O
assistant