You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)-N-[(2R)-2-pyrrolidin-1-yl-2-thiophen-2-ylethyl]acetamide is given. What is its corresponding molecular formula?
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C19H24N6O3S
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