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system
Provide the molecular formula for the IUPAC named substance ethyl (1R,3S,3aR,6aS)-5-ethyl-1-(4-fluorophenyl)-4,6-dioxo-3-phenyl-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrol-2-ium-3-carboxylate .
user
C23H24FN2O4+
assistant