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 2-methyl-1-[2-(5-pyridin-2-yl-1,2,4-oxadiazol-3-yl)ethyl]-3-[1-(1,3,5-trimethylpyrazol-4-yl)propan-2-yl]guanidine is given. What is its corresponding molecular formula?
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C20H28N8O
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