[Co++].[H][C@@]1(CCC([O-])=O)C2=CC3=NC(C[C@]4(C)[N-]C(=CC5=NC(=C([N-]2)[C@@]1(C)CC([O-])=O)[C@]([H])(CC([O-])=O)[C@@]5(C)CCC([O-])=O)C(CCC([O-])=O)=C4CC([O-])=O)=C(CCC([O-])=O)[C@]3(C)CC([O-])=O