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 (3S,4aS,8aR)-3-[(3R,7R)-7-[(8R,11S)-11-[(3R)-5-(2-aminopiperidin-1-ium-4-yl)-3-hydroxypentyl]-2-hydroxy-3-methoxy-7-oxo-9,10-didehydro-1,2,3,4,4a,5,6,8,11,11a-decahydrobenzo[9]annulen-8-yl]-1,7-dihydroxyheptan-3-yl]-2,3,4,4a,5,6,8,8a-octahydro-1H-quinolin-1-ium-7-one .
user
C40H69N3O7+2
assistant