You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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2-[2-[5-(4-fluorophenyl)-1-(2-phenylethyl)pyrazol-3-yl]-3,4,5-trimethoxyphenoxy]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C28H27FN2O6
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