You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S,3R)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-3-hydroxypropanoyl]amino]acetyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoic acid .
user
C25H44N8O12
assistant