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system
Provide the molecular formula for the IUPAC named substance 6-[2-[2-(ethylamino)-2-oxoethyl]pyrrolidin-1-yl]-5-[2-(4-fluorophenyl)ethynyl]-N-[3-(1H-pyrazol-4-yl)propyl]pyridine-3-carboxamide .
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C28H31FN6O2
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