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)-1-[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2R,3R)-2-[[(2S)-2-[[(2S)-2-[[2-[acetyl(methyl)amino]acetyl]amino]-3-(4-cyanophenyl)propanoyl]amino]-3-methylbutanoyl]amino]-3-methylpentanoyl]amino]-3-hydroxybutanoyl]amino]pentanoyl]amino]-3-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]-N-ethylpyrrolidine-2-carboxamide .
user
C54H88N14O11
assistant