You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3R)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]-5-oxopentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C53H68N12O16
assistant