You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-(2,2-difluoroethoxy)-N-[[7-[(4,4,4-trifluorobutanoylamino)methyl]imidazo[1,2-b]pyridazin-2-yl]methyl]-1,2-oxazole-4-carboxamide is given. What is its corresponding molecular formula?
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C18H17F5N6O4
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