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system
Can you give the molecular formula of the molecule [(4R,4aR,5S,8aR,9aR)-9a-hydroxy-3,4a,5-trimethyl-2-oxo-5,6,7,8,8a,9-hexahydro-4H-benzo[f][1]benzofuran-4-yl] (Z)-2-methylbut-2-enoate ?
user
C20H28O5
assistant