You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(1R)-2-[2-[4-[2-[(3R)-3-[(2S)-2-cyclopentyl-2-hydroxy-2-phenylethoxy]-1-azoniabicyclo[2.2.2]octan-1-yl]ethoxy]phenyl]ethylamino]-1-hydroxyethyl]-2-(hydroxymethyl)phenol is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H53N2O6+
assistant