You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named diethyl 2-but-3-enyl-2-[(1S,2Z,4Z,7S)-7-(1-ethoxy-2-ethoxycarbonyl-1-oxopent-4-en-2-yl)cycloocta-2,4-dien-1-yl]propanedioate by IUPAC nomenclature, provide its molecular formula.
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C29H42O8
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