Correct type

nomad/parsing/chemotion/chemotion.py

@@ -142,13 +142,13 @@ class ChemotionMolecule(ChemotionGeneralMetainfo):
     melting_point = Quantity(type=str)
     boiling_point = Quantity(type=str)
     sum_formular = Quantity(type=str)
-    names = Quantity(type=str)
+    names = Quantity(type=str, shape=['*'])
     iupac_name = Quantity(type=str)
     molecule_svg_file = Quantity(type=str)
     is_partial = Quantity(type=bool)
     exact_molecular_weight = Quantity(type=np.float16)
     cano_smiles = Quantity(type=str)
-    cas = Quantity(type=str)
+    cas = Quantity(type=str, shape=['*'])
     molfile_version = Quantity(type=str)
     file = Quantity(type=str, a_browser=dict(adaptor='RawFileAdaptor'))