You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3S)-4-(4-fluorobenzoyl)-3-methyl-1-[[4-(trifluoromethyl)phenyl]methyl]-3H-quinoxalin-2-one into molecular formula.
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C24H18F4N2O2
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