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What is the molecular formula of the molecule identified by 13-(3-benzylcyclohexyl)-12-hydroxy-9,9,20-trimethyl-19-(2-pentylfuran-3-yl)-4,8,15,18-tetraoxahexacyclo[11.9.0.02,7.02,10.014,16.014,20]docosane-5,11,17-trione ?
user
C43H54O9
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