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What is the molecular formula of the molecule N-[[2-(2-methoxyethyl)-1-oxo-3,4-dihydropyrrolo[1,2-a]pyrazin-3-yl]methyl]-2-[5-methyl-3-(trifluoromethyl)pyrazol-1-yl]acetamide ?
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C18H22F3N5O3
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