You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-(4-ethoxyphenyl)-1-[4-[[1-(4-fluorophenyl)tetrazol-5-yl]methyl]piperazin-1-yl]ethanone into molecular formula.
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C22H25FN6O2
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