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-[(5-tert-butyl-2-phenylpyrazol-3-yl)amino]-2-oxoethyl] 2-(4-methyl-2-oxo-1,3-thiazol-3-yl)acetate is given. What is its corresponding molecular formula?
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C21H24N4O4S
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