You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-(4-bromo-2-methylphenyl)-3-chloro-1-methyl-4,5-dihydro-3H-pyridin-5-id-2-one;yttrium into its molecular formula.
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C13H12BrClNOY-
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