diff --git a/examples/solara_app.py b/examples/solara_app.py
index a260854..4b02c3c 100644
--- a/examples/solara_app.py
+++ b/examples/solara_app.py
@@ -199,7 +199,7 @@ def apply_coloring(pdb_id: str, color_mode: str):
         binary=False,
     ),
     "Strychnine": dict(
-        url=" https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/CID/441071/record/SDF?record_type=3d&response_type=save&response_basename=Conformer3D_COMPOUND_CID_441071 ",
+        url="https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/CID/441071/record/SDF?record_type=3d&response_type=save&response_basename=Conformer3D_COMPOUND_CID_441071 ",
         format="sdf",
         binary=False,
     ),