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What is the molecular formula of the molecule identified by 2-[(3aS)-3a-methyl-1,5-dioxo-2,3-dihydropyrrolo[1,2-a]quinazolin-4-yl]-N-[(4,5-dimethyl-1,2,4-triazol-3-yl)methyl]acetamide ?
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C19H22N6O3
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