SMILES: [K+].[K+].[K+].C[C@H]1[C@H](CCC([O-])=O)C2=NC1=CC1=C(C)C(C=C)=C3C=C4N=C(C=C5C(C)=C(C(=C2CC([O-])=O)N5[Cu]N13)C([O-])=O)C(CC)=C4C