You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(2-fluorophenyl)-2-[[5-(furan-2-ylmethylamino)-1,3,4-thiadiazol-2-yl]sulfanyl]propanamide into molecular formula.
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C16H15FN4O2S2
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