You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[[[1-(3-chloropyridin-2-yl)pyrrolidin-3-yl]amino]-(ethylamino)methylidene]amino]-N-(3-ethynylphenyl)acetamide;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26ClIN6O
assistant