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Can you give the molecular formula of the molecule (3E,4S)-3-[2-[(1S,4aR,5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]ethylidene]-4-hydroxyoxolan-2-one ?
user
C20H30O5
assistant