You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(2-methoxyethylcarbamoylamino)-2-oxoethyl] 1-propan-2-ylpyrazolo[3,4-b]pyridine-5-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
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C16H21N5O5
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