You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-benzyl-2-methyl-1H-imidazol-3-ium-4-yl)ethyl (2R)-2-[(1R)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetate;bromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29BrF2N2O3
assistant