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What is the molecular formula of the compound with this IUPAC name 4-fluoro-4-(fluoromethyl)-9-[2-[(3R)-3-hydroxy-1-methyl-2-oxopyrrolidin-3-yl]ethynyl]-5H-[1]benzoxepino[5,4-d][1,3]thiazole-2-carboxylic acid ?
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C20H16F2N2O5S
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