You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-(methylamino)-5-[1H-pyrazol-5-yl(trifluoromethyl)amino]-4-quinazolin-8-yl-8H-pyrido[2,3-d]pyrimidin-7-one by IUPAC nomenclature, provide its molecular formula.
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C20H14F3N9O
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