More improvements to example
More improvements to example

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