Use reference to deepchem data dir for smiles index generation
Use reference to deepchem data dir for smiles index generation

lilleswing/deepchem,peastman/deepchem,ktaneishi/deepchem,miaecle/deepchem,lilleswing/deepchem,miaecle/deepchem,lilleswing/deepchem,deepchem/deepchem,ktaneishi/deepchem,ktaneishi/deepchem,Agent007/deepchem,miaecle/deepchem,deepchem/deepchem,peastman/deepchem,Agent007/deepchem,Agent007/deepchem