You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-(2,2-dimethylpropyl)-1-methyl-2-[3-methyl-6-[5,5,8,8-tetradeuterio-4-(1-deuteriocyclohexyl)-6,7-dihydronaphthalen-1-yl]dibenzofuran-4-yl]pyridin-1-ium by IUPAC nomenclature, provide its molecular formula.
user
C40H46NO+
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