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 3-cyano-N-[6-[(2R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl]imidazo[1,2-b]pyridazin-3-yl]-4-[(3S)-3-hydroxypyrrolidin-1-yl]benzamide into molecular formula.
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C28H25F2N7O2
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