You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-1,1,1-trifluoro-2-methyl-3-[2-methyl-4-(2-methylsulfonylphenyl)sulfanylanilino]propan-2-ol into its molecular formula.
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C18H20F3NO3S2
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