You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[2-(4-ethyl-4-methyl-2,6-dioxopiperidin-1-yl)acetyl]amino]-N-[3-(trifluoromethyl)phenyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H24F3N3O4
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