You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3S)-3,7-diamino-N-[(5S)-2-(carbamoylamino)-6-oxo-4,5-dihydro-1H-pyrimidin-5-yl]-5-hydroxy-N-methylheptanamide into its molecular formula.
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C13H25N7O4
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