Update app.py

app.py

@@ -289,7 +289,7 @@ For more details, see our [paper on arXiv](https://arxiv.org/abs/2302.07868).
                 )
             
             image_output = gr.Image(
-                label="Sample of Generated Molecules",
+                label="Structures of Randomly Selected Generated Molecules",
                 elem_id="molecule_display"
             )