text: cmd.do('python;')
  cmd.do('import datetime;')
  cmd.do('from pymol import cmd; ')
  cmd.do('DT =datetime.datetime.now().strftime("yr%Ymo%mday%dhr%Hmin%M");')
  cmd.do('s = str(DT); ')
  cmd.do('cmd.save(stemName+s+".dae"); ')
  cmd.do('end python;')
  