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 (2S)-N-(4-chloro-2-fluorophenyl)-3-cyclopentyliminospiro[1,4-dihydropyrido[2,3-b]pyrazine-2,3'-pyrrolidine]-1'-carboxamide into molecular formula.
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C22H24ClFN6O
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