You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2S)-2-(3-chloro-4,5-dimethoxyphenyl)-3-(4-chlorophenyl)-1,3-thiazolidin-4-one is given. What is its corresponding molecular formula?
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C17H15Cl2NO3S
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