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-[2-[(3aR,7aS)-1-methyl-2-oxo-3,3a,4,6,7,7a-hexahydroimidazo[4,5-c]pyridin-5-yl]-2-oxoethyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one into molecular formula.
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C15H18N6O3
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