decrease therapeutic efficacy
prompt:molecule-molecule interaction [SEP] smiles:[Ca++].[H][C@@](O)(CO)[C@@]([H])(O)[C@]([H])(O)[C@@]([H])(O)C([O-])=O.[H][C@@](O)(CO)[C@@]([H])(O)[C@]([H])(O)[C@@]([H])(O)C([O-])=O.NC1=NC(N)=C(N=N1)C1=C(Cl)C(Cl)=CC=C1
wspaced:decrease therapeutic efficacy