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system
Provide the molecular formula for the IUPAC named substance (2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-4-oxobutanoyl]amino]-4-methylpentanoyl]amino]pentanedioic acid .
user
C25H42N6O9
assistant