You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N-(2-chloro-5-fluorophenyl)-2-[3-[(3-ethoxyphenyl)methyl]-2,4-dioxothieno[3,2-d]pyrimidin-1-yl]acetamide into its molecular formula.
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C23H19ClFN3O4S
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