OS(=O)(=O)C1=CC=C(C=C1)C1=C2/N\C(\C=C2)=C(/C2=CC=C(N2)\C(=C2/N\C(\C=C2)=C(/C2=CC=C\1N2)C1=CC=C(C=C1)S(O)(=O)=O)C1=CC=C(C=C1)S(O)(=O)=O)C1=CC=C(C=C1)S(O)(=O)=O