You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 5,7-dihydroxy-6,8-bis(3-methylbut-2-enyl)-2-[4-(3-methylbut-2-enyl)phenyl]-2,3-dihydrochromen-4-one into molecular formula.
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C30H36O4
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