One can extract scale factors from the ROOT workspace and write it to the correction lib format. The code is based on KIT Tag and Probe repoditory
Before the execution, one should activate CROWN's tau environment, e.g
source /work/${USER}/CROWN/init.sh tau
Execution:
python3 translate_to_crosspog_json.py -e 2016postVFPUL -c muon -o output # -w path_to_workspace_file.root