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 (4aR,8aR)-1-[2-(azetidin-3-ylidene)propyl]-3,4,4a,5,6,7,8,8a-octahydro-2H-quinoline .
user
C15H26N2
assistant