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Can you give the molecular formula of the molecule [(5aR,8aR)-4-(pyridin-3-ylmethyl)-3,5,5a,6,8,8a-hexahydro-2H-pyrrolo[3,4-f][1,4]oxazepin-7-yl]-(5-methylpyrazin-2-yl)methanone ?
user
C19H23N5O2
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