You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[[3,5-dimethyl-1-(4-methylphenyl)pyrazol-4-yl]amino]-2-oxoethyl]-[(2-fluorophenyl)methyl]-methylazanium into its molecular formula.
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C22H26FN4O+
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