You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(3Z)-3-[(Z)-but-2-enylidene]-2-methylidene-1-oxa-9-azaspiro[5.5]undec-4-en-4-yl]-N-diazenyl-N-methylbenzenecarboximidamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H27N5O
assistant