You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-butan-2-yl-1-pentan-3-ylpyrrolidin-2-one;2-chloro-4-methylbenzonitrile;1-ethyl-2,4,5-trifluorobenzene .
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C29H38ClF3N2O
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