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system
Name the molecular formula for the molecule established as (3S)-3-[[2-(6-fluoro-2,3,4,9-tetrahydro-1H-carbazol-3-yl)ethylamino]methyl]-2,3,7,9-tetrahydro-[1,4]dioxino[2,3-e]indol-8-one using the IUPAC nomenclature.
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C25H26FN3O3
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