You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[2-(5-benzyl-4-methyl-6-oxo-1H-pyrimidin-2-yl)-5-thiophen-2-ylpyrazol-3-yl]-2,2-diphenylacetamide by IUPAC nomenclature, provide its molecular formula.
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C33H27N5O2S
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