You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]-2-[(2-methylpropan-2-yl)oxycarbonyl]-2,6-diazaspiro[3.4]octane-7-carboxylic acid into its molecular formula.
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C19H31N3O7
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