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 (7R)-N-(3-chloro-4-fluorophenyl)-7-methyl-2-(morpholin-4-ium-4-ylmethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine is given. What is its corresponding molecular formula?
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C22H25ClFN4OS+
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