Update app.py

app.py

@@ -20,6 +20,23 @@ import wget
 import warnings
 import gradio as gr
 warnings.filterwarnings("ignore")
+theme = gr.themes.Monochrome(
+    primary_hue="indigo",
+    secondary_hue="blue",
+    neutral_hue="slate",
+)
+model_card = f"""
+## Description
+It is a app for predicting Rf values of two compounds under different eluents in TLC.
+input: smiles of two compounds, such as CC(OCC)=O
+output: three images that show the Rf curve with different eluent ratios under PE/EA, DCM/MeOH, PE:Et2O system.
+
+#Citation
+Welcome to cite our work:
+H. Xu, J. Lin, Q. Liu, Y. Chen, J. Zhang, Y. Yang, M.C. Young, Y. Xu, D. Zhang, F. Mo
+High-throughput discovery of chemical structure-polarity relationships combining automation and machine-learning techniques
+Chem (2022), pp. 1-13, 10.1016/j.chempr.2022.08.008
+"""
 
 Eluent_smiles=['CCCCCC','CC(OCC)=O','C(Cl)Cl','CO','CCOCC']
 def parse_args():