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 6-[4-[4-[6-[4-(1-ethylpyridin-1-ium-4-yl)phenyl]-2-phenylpyrimidin-4-yl]phenyl]pyridin-1-ium-1-yl]hexanoic acid into its molecular formula.
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C40H38N4O2+2
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