You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[3-(dimethylamino)propyl]-6-(4-methylpent-3-enylidene)-4,5,7,7a-tetrahydro-3aH-isoindole-1,3-dione .
user
C19H30N2O2
assistant