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Convert the IUPAC name of a molecule ethyl 2-[(1R,8R)-5-(2,6-difluorophenyl)-11,11-dimethyl-3,4-diazatricyclo[6.2.1.02,7]undeca-2,4,6-trien-1-yl]pyrimidine-4-carboxylate into molecular formula.
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C24H22F2N4O2
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