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What is the molecular formula of the molecule (2R,5R,6R)-2-benzyl-6-methoxy-6-[(2S)-1-[(3R,4S,5S)-3-methoxy-5-methyl-4-[methyl-[(2S,5S)-6-methyl-5-[methyl-[[4-[7-(3-methylsulfanyl-2,5-dioxopyrrolidin-1-yl)-2-oxoheptyl]phenyl]methoxycarbonyl]amino]-4-oxo-2-propan-2-ylheptanoyl]amino]heptanoyl]pyrrolidin-2-yl]-5-methyl-4-oxohexanoic acid ?
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C61H90N4O13S
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