You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Provide the molecular formula for the IUPAC named substance (1,1,1-trichloro-2-methylpropan-2-yl) 3-benzhydryl-2-methyl-4-oxo-6,8-dihydro-5H-pyrido[3,4-d]pyrimidine-7-carboxylate .
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C26H26Cl3N3O3
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