You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(5-bromo-3-methylpyridin-2-yl)-3-methyl-3-propan-2-ylpyrrolidine-2,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H17BrN2O2
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