You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[[(butan-2-ylamino)-[(2-methyloxan-4-yl)amino]methylidene]amino]-N,N-dimethylacetamide;hydroiodide .
user
C15H31IN4O2
assistant