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 N-chloro-2-[4-[(5-chloro-1,3-benzothiazol-2-yl)methoxy]phenyl]acetamide is given. What is its corresponding molecular formula?
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C16H12Cl2N2O2S
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