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system
Provide the molecular formula for the IUPAC named substance (2E)-1-(3-amino-5-fluoro-6-pyrrolidin-1-ylpyrazolo[3,4-b]pyridin-1-yl)-2-[(Z)-2-fluoro-1-methoxyprop-1-enyl]penta-2,4-dien-1-one .
user
C19H21F2N5O2
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