Update pubchempy.py

[riinbre-bioinfo]

Canonical SMILES and Isometric SMILES are listed as deprecated in favor of SMILES on the PUG REST documentation Link Added capability to get SMILES string as follows:

def run(Compound_Name): compounds = pcp.get_compounds(Compound_Name, 'name') for c in compounds: print(c.to_dict(properties=['smiles'])['smiles'])