@classmethod<EOL><INDENT>def load_rdkit_mol(cls, mol, system_name='<STR_LIT>', mol_id=<NUM_LIT:0>):<DEDENT>
return cls(Input().load_rdkit_mol(mol), system_name, mol_id)<EOL>
Create a :class:`Molecule` from :class:`rdkit.Chem.rdchem.Mol`.

To be used only by expert users.

Parameters
----------
mol : :class:`rdkit.Chem.rdchem.Mol`
   An RDKit molecule object.

Returns
-------
:class:`pywindow.molecular.Molecule`
    :class:`Molecule`