You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-1-[(2S)-2-[[(2S)-1-[(2S)-1-[(2S)-1-[(2S)-2-amino-4-methylsulfanylbutanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxybutanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-methylbutanoyl]amino]-3-carboxypropanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]acetyl]amino]propanoyl]amino]-4-methylpentanoyl]amino]-4-oxobutanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C86H138N22O24S
assistant