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 2-ethyl-3-(3-ethyl-4-methylpiperazine-1-carbonyl)-1,3-thiazolidine-4-carboxylic acid is given. What is its corresponding molecular formula?
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C14H25N3O3S
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