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system
Please write the molecular formula of the molecule [(5R,7S)-1-(2-methoxyethyl)-5,7-dimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazol-3-yl]-(1,4,5,7-tetrahydropyrazolo[3,4-c]pyridin-6-yl)methanone .
user
C18H25N5O3
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