diff --git a/test/smiles_example.csv b/test/smiles_example.csv
index ddb0873..26dbc9b 100644
--- a/test/smiles_example.csv
+++ b/test/smiles_example.csv
@@ -1,2 +1,3 @@
 SMILES, Name
 O=Cc1ccc(O)c(OC)c1,Vanillin
+O=Cc1ccc(O)c(OC)c1,Vanillin