You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 4-[1-[4-[[(1-acetylpyrrolidin-3-yl)amino]methyl]-2-chlorophenyl]pyrazol-4-yl]-2-[(1-methylsulfonylpiperidin-4-yl)amino]pyrimidine-5-carbonitrile is given. What is its corresponding molecular formula?
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C27H32ClN9O3S
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