You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N-[(1R)-1-[3-(1,3-benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-2-methylpropyl]-3-phenylprop-2-enamide into its molecular formula.
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C22H21N3O4
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