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system
What is the molecular formula of the molecule 4-[(2R,3S,4R,5R)-3,4-dihydroxy-5-[(1S)-1-hydroxyethyl]oxolan-2-yl]-8-ethenyl-1-hydroxy-10,12-dimethoxynaphtho[1,2-c]isochromen-6-one ?
user
C27H26O9
assistant