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system
What is the molecular formula of the molecule identified by 4-amino-2-[[2-[[2-[[2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-methylbutanoyl]amino]-4-oxobutanoic acid ?
user
C21H31N9O6
assistant