You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[3-[8-(2,6-difluorophenyl)-7-oxo-2-(piperidin-4-ylamino)pyrido[2,3-d]pyrimidin-4-yl]-4-methylphenyl]thiophene-2-carboxamide into molecular formula.
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C30H26F2N6O2S
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