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 3-(4-chlorophenyl)-1-methyl-6-(4-methylpiperazin-1-yl)pyrazolo[3,4-d]pyrimidin-4-amine is given. What is its corresponding molecular formula?
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C17H20ClN7
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