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system
What is the molecular formula of the molecule identified by (2S)-2-[[(2S,3S)-1-[(1S)-3-amino-2-oxo-1-[(2S)-pyrrolidin-2-yl]propyl]-3-ethylpyrrolidine-2-carbonyl]amino]-4-methylsulfanylbutanoic acid ?
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C19H34N4O4S
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