OC(=NC1=CC(Cl)=C(C=C1)N=C(O)C1=CC2=CC=CC=C2C(=NNC2=C(C=C(Cl)C=C2)N(=O)=O)C1=O)C1=CC2=CC=CC=C2C(=NNC2=C(C=C(Cl)C=C2)N(=O)=O)C1=O