You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[7-(1-deuteriocyclohexyl)-1,1,2,2,3,3-hexamethylinden-4-yl]-7-methyl-6-(1-methylpyridin-1-ium-2-yl)dibenzofuran-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C41H45N2O+
assistant