You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-(3-tert-butylphenyl)phenyl]-6-(6-deuterio-1-methylpyridin-1-ium-2-yl)-7-methyldibenzofuran-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C36H31N2O+
assistant