You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [5-carbamoyl-4-(4-chloroanilino)pyrimidin-2-yl]-[3-(dimethylamino)oxan-4-yl]-dimethylazanium into molecular formula.
user
C20H28ClN6O2+
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