decrease serum concentration
prompt:molecule-molecule interaction [SEP] smiles:[Fe+3].[Fe+3].[Fe+3].[Fe+3].[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.[O-]P([O-])(=O)OP([O-])([O-])=O.C[C@](N)(CC1=CC=C(O)C(O)=C1)C(O)=O
wspaced:decrease serum concentration