You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N'-methyl-N-[[4-(piperidine-1-carbonyl)phenyl]methyl]-6-azaspiro[3.4]octane-6-carboximidamide;hydroiodide into molecular formula.
user
C22H33IN4O
assistant