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 5-chloro-2-(2-cyclobutyloxy-4-fluorophenoxy)-N-(6-oxo-1H-pyridazin-4-yl)-4-(trifluoromethyl)benzamide is given. What is its corresponding molecular formula?
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C22H16ClF4N3O4
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