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 N-(5-chloro-2-fluorophenyl)-2-[3-(4-methylphenyl)-4-oxoquinazolin-2-yl]sulfanylacetamide is given. What is its corresponding molecular formula?
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C23H17ClFN3O2S
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