You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (2S)-1-[(3R)-3-(imidazo[1,2-b]pyridazin-6-ylamino)pyrrolidin-1-yl]-2-(1,2,4-triazol-1-yl)propan-1-one into its molecular formula.
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C15H18N8O
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