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What is the molecular formula of the molecule identified by (3'S,10R)-5-methoxy-2',2',3',6,10,12-hexamethylspiro[14-oxatetracyclo[9.3.2.01,10.02,7]hexadeca-2(7),3,5,8-tetraene-13,5'-oxolane]-11-ol ?
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C25H34O4
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