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 2-(2-chlorophenyl)-N-[3-(dimethylamino)propyl]-N-(4-methoxy-7-methyl-1,3-benzothiazol-2-yl)acetamide is given. What is its corresponding molecular formula?
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C22H26ClN3O2S
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