You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[4-[2-[(1-methyl-5-morpholin-4-yl-3-propan-2-ylpyrazol-4-yl)methylamino]ethyl]piperazin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
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C20H36N6O2
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