You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-(3,4,4a,5,6,7,8,8a-octahydro-2H-quinolin-1-yl)-N-(cyanomethyl)-2-oxoacetamide into molecular formula.
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C13H19N3O2
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