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What is the molecular formula of the molecule identified by (1Z,10Z,11Z)-10-ethylidene-1-[1-[(1Z,20Z)-21-[1-[(1Z,10Z,11Z)-10-ethylidene-7-oxotrideca-1,11-dienyl]cyclopropyl]-11-(2-methylidenehexyl)henicosa-1,20-dienyl]cyclopropyl]trideca-1,11-dien-7-one ?
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C64H104O2
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