You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(5-tert-butyl-1,3-oxazol-2-yl)methyl]-2-[(3,5-diethyl-1-methylpyrazol-4-yl)methyl]-3-ethylguanidine into its molecular formula.
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C20H34N6O
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