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-[3-[2-(4,5-dihydro-1,3-thiazol-2-ylsulfanyl)acetyl]phenyl]-4-(trifluoromethoxy)benzenesulfonamide into molecular formula.
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C18H15F3N2O4S3
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