You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(6-morpholin-4-ylpyridin-3-yl)-3-phenyl-5-(trifluoromethyl)-2H-1,3-oxazole-4-carboxamide into molecular formula.
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C20H19F3N4O3
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