You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named bis(2,5,8,11,14,17-hexaoxabicyclo[16.4.0]docosa-1(18),19,21-trien-20-yl) propanedioate by IUPAC nomenclature, provide its molecular formula.
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C35H48O16
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