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Under IUPAC nomenclature, a molecule named 1-[6-(1,1-difluorobutyl)-3,3-dimethyl-2H-pyrrolo[3,2-b]pyridin-1-yl]-2-[(2R,5R)-2-[[(2S,6R)-2,6-dimethylmorpholin-4-yl]methyl]-5-methylpiperazin-1-yl]ethanone;dihydrochloride is given. What is its corresponding molecular formula?
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C27H45Cl2F2N5O2
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