You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S,3R)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxybutanoyl]amino]-4-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid by IUPAC nomenclature, provide its molecular formula.
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C40H72N12O14
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