You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-[[3-(3-methylphenyl)-1-(4-methylphenyl)pyrazol-4-yl]methyl]pyrrolidin-2-yl]methanol is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H27N3O
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