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 1-[2-[methyl-(2-phenyl-1,3-thiazole-5-carbonyl)amino]acetyl]piperidine-3-carboxylic acid is given. What is its corresponding molecular formula?
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C19H21N3O4S
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