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 (3R)-1-[(2S)-2-(2-chlorophenyl)-2-hydroxyethyl]-3-[(1-methylpyrazol-4-yl)methyl]pyrrolidine-2,5-dione into molecular formula.
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C17H18ClN3O3
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