You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(3,5-diethyl-1,2-oxazol-4-yl)methyl]-3-[[4-(dimethylamino)oxan-4-yl]methyl]-2-methylguanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H34IN5O2
assistant