You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-oxo-2-(2-oxopyrrolidin-1-yl)ethyl] 3-methyl-1-phenylthieno[2,3-c]pyrazole-5-carboxylate into its molecular formula.
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C19H17N3O4S
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