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-[2-[2-fluoro-6-(trifluoromethyl)phenyl]ethyl]-1-[2-(4-methoxyphenyl)ethyl]-5-methylpyrrole into molecular formula.
user
C23H23F4NO
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