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-fluorophenyl)-[1-methyl-3-(4-methyl-5-methylsulfanyl-1,2,4-triazol-3-yl)-6,7-dihydro-4H-pyrazolo[4,3-c]pyridin-5-yl]methanone into molecular formula.
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C18H19FN6OS
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