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system
Provide the molecular formula for the IUPAC named substance [3-[(11aR)-3,11a-bis[(2S)-butan-2-yl]-2,4-dihydroxy-5-oxido-1-oxopyrazino[1,2-b][1,4,2]benzodioxazin-5-ium-9-yl]-2-acetyloxy-4,5-dihydroxy-6-(4-hydroxyphenyl)phenyl] acetate .
user
C34H36N2O13
assistant