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For the molecule named N-[(1S)-2-[4-(4-chloro-2-methyl-1-oxidopyridin-1-ium-3-yl)-3-fluoroanilino]-1-cycloheptyl-2-oxoethyl]-2-methyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazine-6-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C30H35ClFN5O3
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