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What is the molecular formula of the molecule 2-[(2S,5Z,8S,11S)-8-[4-[[4-[[(Z)-2-amino-3-phenylprop-2-enoyl]amino]-5-[[(4E)-4-[(5Z,11E,14R)-14-benzyl-5-(3-carbamimidamidopropylidene)-11-(carboxymethylidene)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentazacyclopentadec-2-ylidene]butyl]amino]-5-oxopentanoyl]amino]butyl]-5-benzylidene-11-(3-carbamimidamidopropyl)-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentazacyclopentadec-2-yl]acetic acid ?
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C68H86N20O17
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