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 1'-[8-(2-chloro-3-fluoropyridin-4-yl)-7-methylimidazo[1,2-c]pyrimidin-5-yl]spiro[3H-1-benzofuran-2,4'-piperidine] into molecular formula.
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C24H21ClFN5O
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