You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2S)-2-[[(2S)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-4-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid into its molecular formula.
user
C16H32N6O5
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