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-[4-[3-(2-fluoro-5-methylphenyl)-4-oxo-1,3-thiazolidin-2-yl]phenyl]acetamide is given. What is its corresponding molecular formula?
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C18H17FN2O2S
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