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 1-[4-[4-[[2-(1H-pyrazol-4-yl)-1H-pyrrolo[3,2-c]pyridin-6-yl]amino]phenyl]piperazin-1-yl]ethanone is given. What is its corresponding molecular formula?
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C22H23N7O
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