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 6-[1-(3-fluorophenyl)-5-propan-2-yl-1,2,4-triazole-3-carbonyl]-6-azaspiro[2.5]octane-2-carboxylic acid into molecular formula.
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C20H23FN4O3
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