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system
Provide the molecular formula for the IUPAC named substance (2S)-2-[[(2S)-4-amino-2-(3-hydroxypropanoylamino)butanoyl]amino]-N-[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-(1-hydroxyethyl)-12-(2-methylpropyl)-2,5,8,11,14,17-hexaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]-3-hydroxybutanamide .
user
C50H88N16O13
assistant