You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-(2,6-dimethylphenoxy)-1-[4-(6-thiophen-2-ylpyridazin-3-yl)piperazin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
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C22H24N4O2S
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