text: try:
  	import rdkit
  except:
  	raise ImportError('RDKit cannot be imported. rdchiral is a wrapper for RDKit, instructions for installing RDKit can be found at https://www.rdkit.org/docs/Install.html')
  if rdkit.__version__ < '2019':
  	raise ImportWarning('RDKit version {} may not be compatable with rdchiral. Upgrade to RDKit version 2019 or higher.'.format(rdkit.__version__))
  from rdkit import RDLogger
  lg = RDLogger.logger()
  lg.setLevel(RDLogger.CRITICAL) 