You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (2R)-2-[4-chloro-3-(trifluoromethyl)phenyl]sulfanyl-N-[(2R)-2-cyano-3-methylbutan-2-yl]propanamide into molecular formula.
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C16H18ClF3N2OS
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