You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-[[5-imino-7-oxo-2-(trifluoromethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-6-ylidene]methyl]phenyl] furan-2-carboxylate into its molecular formula.
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C18H9F3N4O4S
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