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 2-[2-(cyclohexen-1-yl)ethyl]-3-propan-2-yl-1,3,4,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazine .
user
C19H34N2
assistant