Update README.md

README.md

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 title: Predictproduct T5
-emoji: 🏃
+emoji: 🧪
 colorFrom: green
 colorTo: red
 sdk: streamlit
@@ -10,4 +10,9 @@ pinned: false
 license: mit
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+At this space, you can predict the products of reactions from their inputs. 
+The format of the string is like "REACTANT:{reactants of the reaction}CATALYST:{catalysts of the reaction}REAGENT:{reagents of the reaction}SOLVENT:{solvent of the reaction}". 
+If there are no catalyst or reagent, fill the blank with a space. And if there are multiple reactants, concatenate them with ".".
+(e.g. REACTANT:CNc1nc(SC)ncc1CO.O.O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-].[Na+]CATALYST: REAGENT: SOLVENT:CC(=O)O)
+
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference