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system
What is the molecular formula of the molecule identified by (7S,9S)-6,9,11-trihydroxy-9-(2-hydroxyacetyl)-4-methoxy-7-[(2S,6S)-6-methyl-4-methylideneoxan-2-yl]oxy-8,10-dihydro-7H-tetracene-5,12-dione ?
user
C28H28O10
assistant