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system
Provide the molecular formula for the IUPAC named substance (2R)-1-[(2R)-1-[2-[[(2R)-2-[[(2R)-2-(dimethylamino)-3-methylbutanoyl]amino]-3-methylbutanoyl]-methylamino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]-N-[[4-(4-ethyl-1,3-thiazolidin-2-yl)phenyl]methyl]pyrrolidine-2-carboxamide .
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C40H65N7O5S
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