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What is the molecular formula of the molecule identified by 2-[(E)-2-[10-[4-[(3Z,4Z)-3,4-di(ethylidene)cyclohexa-1,5-dien-1-yl]phenyl]anthracen-9-yl]ethenyl]-9,10-dinaphthalen-2-ylanthracene;ethane ?
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C68H52
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