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system
Name the molecular formula for the molecule established as (3aS,4S,7aR)-4-ethyl-2-(1H-pyrazolo[4,3-c]pyridin-4-yl)-3,3a,5,6,7,7a-hexahydro-1H-isoindol-4-ol using the IUPAC nomenclature.
user
C16H22N4O
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