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 methyl (2S)-1-[3-methyl-2-[(2-methyl-1,3-thiazole-4-carbonyl)amino]butanoyl]pyrrolidine-2-carboxylate into molecular formula.
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C16H23N3O4S
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