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Provide the molecular formula for the IUPAC named substance [(1R)-1-[(1S,2S,3aS,3bS,5aR,9aR,9bS,11aS)-2,6,9a,11a-tetramethyl-7-oxo-2,3,3a,3b,4,5,5a,8,9,9b,10,11-dodecahydro-1H-indeno[5,4-f]quinolin-1-yl]ethyl] carbamate .
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