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Can you give the molecular formula of the molecule 1-[(3aS,4R,6aR)-2-(2-methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl)-4-phenyl-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-5-yl]ethanone ?
user
C21H23N5O
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