You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[ethylamino-[2-(3-ethyl-1,2,4-triazol-4-yl)ethylamino]methylidene]amino]-N-propylacetamide;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H28IN7O
assistant