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 1-(3,6-difluorocarbazol-9-yl)-2-methyl-3-(1-oxo-1,2-thiazolidin-2-yl)propan-2-ol into molecular formula.
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C19H20F2N2O2S
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