You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2R)-1-[(2S,3S)-2-[[(2S)-2-[[2-[[(2S)-2-[(2-aminoacetyl)amino]-5-(diaminomethylideneamino)pentanoyl]amino]acetyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]pyrrolidine-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C23H39N9O10
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