You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 6-[[[amino-(5,6,7,8-tetrahydronaphthalen-1-ylamino)methylidene]amino]methyl]-2-cyclopropylpyridine-3-carboxylate;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H27IN4O2
assistant