Update README.md

README.md

@@ -40,11 +40,9 @@ dataset_info:
   - name: "SMILES"
     dtype: string
   - name: "Y"            
-    dtype:
-      class_label:
-        names:
-          0: "negative"
-          1: "positive"
+    dtype: int64
+    description: >-
+      Binary classification where 'O' represents 'negative' and '1' represents 'positive'
   splits:
   - name: train
     num_bytes: 28736