'acide octad��ca 9z 12z di��no��que' is not a node in ConceptNet.
Sorry about that.
You could try going back to the
ConceptNet 5 is licensed under a
Creative Commons Attribution-ShareAlike 4.0 International License
. If you use it in research, please cite
this AAAI paper
Copying and Sharing ConceptNet
for more details.