Look up concept URI from freetext, e.g. "aspirin", find compound pharmacology and their target info. For each target, blast+tree on its sequence - if any. Uses the Open PHACTS API https://dev.openphacts.org/docs/1.5. Notice that in tihs workflow, most concepts won't have compounds, and most compounds won't have targets, and most targets won't have a sequence - Open PHACT API wise this means this workflow would be propagating 404 Not Found errors. Until there is a Local worker to filter out...