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What is the molecular formula of the compound with this IUPAC name 4-[[5-acetamido-6-[[6'-[[2-acetamido-6-(4-oxopentanoylamino)hexanoyl]amino]-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl]amino]-6-oxohexyl]amino]-4-oxobutanoic acid;4-[[(5S)-5-acetamido-6-[(4-methyl-2-oxochromen-7-yl)amino]-6-oxohexyl]amino]-4-oxobutanoic acid ?
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C67H79N9O19
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