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For the molecule named ethyl 1-[1-[5-chloro-2-(4-piperazin-1-ylphenyl)phenyl]piperidin-3-yl]-5-(difluoromethyl)pyrazole-4-carboxylate;hydrochloride by IUPAC nomenclature, provide its molecular formula.
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C28H33Cl2F2N5O2
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