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-(4-methylphenyl)-6-oxo-N-[2-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)ethyl]-2,5-dihydro-1,2,4-triazine-3-carboxamide is given. What is its corresponding molecular formula?
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C20H23N5O2S
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