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system
Name the molecular formula for the molecule established as (3aR,7aR)-7a-methyl-1-[(2R,5S)-5,6,6-trimethylhept-3-en-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-one using the IUPAC nomenclature.
user
C20H34O
assistant