Update app.py

app.py

@@ -272,7 +272,7 @@ with tab3:
         spin = st.toggle('Animate', value=False, key=2)
         box = st.toggle('Show Box', value=False, key=3)
         bcolor = st.color_picker('Pick Background Color', '#323232', key=4)
-        render_3d(smiles)
+        render_4d(smiles)
 
 with tab4:
     st.subheader("**:gray[Representation and Format] :gray[Conversion]**")