You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-amino-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-4-yl]-N-[1-(4-chlorophenyl)-4-piperidin-1-ylbutyl]acetamide into its molecular formula.
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C28H38ClN7O
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