Update app.py

app.py

@@ -15,7 +15,7 @@ task2prefix = {
     "forward": "Predict the product of the following reaction: ",
     "retrosynthesis": "Predict the reaction that produces the following product: ",
     "paragraph to actions": "Which actions are described in the following paragraph: ",
-    "molecular captioning": "Caption the following SMILES: ",
+    "molecular captioning": "Caption the following smile: ",
     "text-conditional de novo generation": "Write in SMILES the described molecule: ",
 }