You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(R)-[(2S,4S,5R)-5-ethyl-1-[[4-[[(2S,4S,5R)-5-ethyl-2-[(R)-hydroxy(quinolin-4-yl)methyl]-1-azoniabicyclo[2.2.2]octan-1-yl]methyl]phenyl]methyl]-1-azoniabicyclo[2.2.2]octan-2-yl]-quinolin-4-ylmethanol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C46H56N4O2+2
assistant