Remove invalid 'info' parameter from gr.Button components

app.py

@@ -1425,12 +1425,9 @@ def build_interface() -> gr.Blocks:
 
                 # Buttons
                 with gr.Row():
-                    render_auto_btn = gr.Button("🚀 AI First → Render (Recommended)", variant="primary",
-                                               info="DeepSeek AI enhances/completes reaction first, then renders SVG")
-                    render_nist_btn = gr.Button("🧪 Direct NIST Render", variant="secondary",
-                                               info="Render directly without AI enhancement")
-                    render_smiles_btn = gr.Button("🔬 Direct SMILES Render", variant="secondary",
-                                                 info="Render SMILES/SMARTS directly without AI enhancement")
+                    render_auto_btn = gr.Button("🚀 AI First → Render (Recommended)", variant="primary")
+                    render_nist_btn = gr.Button("🧪 Direct NIST Render", variant="secondary")
+                    render_smiles_btn = gr.Button("🔬 Direct SMILES Render", variant="secondary")
                     clear_btn = gr.Button("🗑️ Clear", variant="stop")
 
                 # Output