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What is the molecular formula of the molecule 6-[(2E,4E)-5-(but-1-en-2-ylamino)hepta-2,4,6-trien-3-yl]-5-fluoro-4-[3-[(3-methyl-2-pyridin-4-ylpyridin-4-yl)amino]buta-1,3-dien-2-yl]pyridin-3-amine ?
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C31H33FN6
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