You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-oxo-1-(2,4,5-trimethylphenyl)propan-2-yl] 2-[5,7-dimethyl-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23F3N4O3
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