You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3S,3aS,5aR,9bS)-3-[(3,3-dimethylpiperidin-1-ium-1-yl)methyl]-5a,9-dimethyl-3a,4,5,9b-tetrahydro-3H-benzo[g][1]benzofuran-2,8-dione ?
user
C22H32NO3+
assistant