You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(furan-2-yl)-1-[3-[(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)methyl]piperidin-1-yl]prop-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
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