You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[5-amino-2-[[5-amino-2-[(2,5-diamino-5-oxopentanoyl)amino]-5-oxopentanoyl]amino]-5-oxopentanoyl]amino]-3-methylpentanoic acid into its molecular formula.
user
C21H37N7O8
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