decrease therapeutic efficacy
prompt:molecule-molecule interaction [SEP] smiles:[Ca++].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)C([O-])=O.[Mg++].[O-]S([O-])(=O)=O
wspaced:decrease therapeutic efficacy