COC1=C(C=C(N=C(C)O)C(=C1)N=NC1=CC2=C(C=C(C=C2C=C1S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O)N=NC1=C2C=CC=C(C2=C(C=C1)N=C1NC(=N)N=C(N1)[N+]1=CC=CC(=C1)C(O)=O)S(O)(=O)=O