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 (2R,3R)-1-[(2R)-2-(3-chlorophenyl)pyrrolidin-1-yl]-3-hydroxy-2-methyl-4-[[(1R)-1-(4-pyrazol-1-ylphenyl)ethyl]amino]pent-4-en-1-one into molecular formula.
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C27H31ClN4O2
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