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system
What is the molecular formula of the molecule [(8S)-8-[(2S)-butan-2-yl]-2-pyridin-3-yl-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-7-yl]-(3-methylpyridin-2-yl)methanone ?
user
C21H24N6O
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