You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[[(3R)-3-[1-(2-methylphenyl)piperidin-4-yl]pyrrolidin-3-yl]amino]-2-oxoethyl]-3-(trifluoromethyl)benzamide into its molecular formula.
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C26H31F3N4O2
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