You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-(3,4-dichlorophenyl)-1-[(4-fluorophenyl)methyl]-N,N,5-trimethyl-2,4-dioxothieno[2,3-d]pyrimidine-6-carboxamide into molecular formula.
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C23H18Cl2FN3O3S
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