Update README.md

README.md

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 # Hematotoxicity Dataset (HematoxLong2023)
-Initially, 2670 compounds were collected and all molecules were subjected to the multistep data preparation process to ensure data quality.
-Finally, a hematotoxicity dataset containing 1772 chemicals was obtained, which includes a positive set with 589 molecules and a negative set with 1183 molecules.
+A hematotoxicity dataset containing 1772 chemicals was obtained, which includes a positive set with 589 molecules and a negative set with 1183 molecules.
 The molecules were divided into a training set of 1330 molecules and a test set of 442 molecules according to their Murcko scaffolds. 
 Additionally, 610 new molecules from related research and databases were compiled as the external validation set.
 
+The train and test datasets uploaded to our Hugging Face repository have been sanitized and split from the original dataset, which contains 2382 molecules. 
+If you would like to try these processes with the original dataset, please follow the instructions in the [Processing Script.py](https://huggingface.co/datasets/maomlab/HematoxLong2023/blob/main/Processing%20Script.py) file located in the HematoxLong2023 folder.
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 ## Quickstart Usage
 
 ### Load a dataset in python