cmsDriver.py testReAlCa -s ALCA:PromptCalibProdSiStripHitEfficiency --conditions 123X_dataRun2_v2 --scenario pp --data --era Run2_2018 --datatier ALCARECO --eventcontent ALCARECO --processName=ReAlCa -n 100000 --dasquery='file dataset=/StreamExpress/Run2018D-SiStripCalMinBias-Express-v1/ALCARECO run=325172' --nThreads=4 --no_exec
followed by
cmsDriver.py stepHarvest -s ALCAHARVEST:SiStripHitEff --conditions 123X_dataRun2_v2 --scenario pp --data --era Run2_2018 --filein file:PromptCalibProdSiStripHitEfficiency.root -n -1