You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 2-benzo[c]carbazol-7-yl-4-naphtho[2,1-b][1]benzofuran-8-yl-[1]benzofuro[3,2-d]pyrimidine into its molecular formula.
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C42H23N3O2
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