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What is the molecular formula of the compound with this IUPAC name (2R)-2-[[(2S)-3-(1H-indol-3-yl)-1-[[(2S)-4-methyl-1-oxo-1-(2-phenylethylamino)pentan-2-yl]amino]-1-oxopropan-2-yl]amino]propanoic acid ?
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C28H36N4O4
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