You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[(E)-3-(4-chloro-2-fluorophenyl)prop-2-enoyl]-N-[1-cyano-2-(2-oxocyclopentyl)ethyl]-4-phenylpyrrolidine-2-carboxamide into molecular formula.
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C28H27ClFN3O3
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