You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-(3,4-dimethoxyphenyl)-6-[[4-(trifluoromethyl)phenyl]methyl]triazolo[4,5-d]pyrimidin-7-one into its molecular formula.
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C20H16F3N5O3
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