You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-(cyclopropylmethyl)-5-oxo-3-propan-2-yl-1,4-diazepan-1-yl]-N-(1,3-dimethylpyrazol-4-yl)acetamide into its molecular formula.
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C19H31N5O2
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