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 4-[(2R)-2-(5-chloro-4-oxo-3-pyridin-2-ylpyrrolo[2,1-f][1,2,4]triazin-2-yl)sulfanylpyrrolidin-1-yl]-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile into molecular formula.
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C22H16ClN9OS
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