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system
Name the molecular formula for the molecule established as 3-[(4-fluorophenyl)methyl]-5-[1-[3-[(4-fluorophenyl)methyl]-1,2,4-oxadiazol-5-yl]-2-phenylethyl]-1,2,4-oxadiazole using the IUPAC nomenclature.
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C26H20F2N4O2
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