You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(Z)-(1-ethyl-2,2,4,7-tetramethyl-3,4-dihydroquinolin-6-yl)methylideneamino]pyridine-3-carboxamide .
user
C22H28N4O
assistant