You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-(2-chloro-6-fluorophenyl)-3-methyl-1-(7H-purin-6-yl)-4,8-dihydropyrazolo[3,4-e][1,4]thiazepin-7-one into molecular formula.
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C18H13ClFN7OS
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