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 2-[[[(3-ethylsulfinylcyclohexyl)amino]-(thiophen-2-ylmethylamino)methylidene]amino]-N,N-dimethylacetamide;hydroiodide .
user
C18H31IN4O2S2
assistant