BrC1=C(Br)C(Br)=C(Br)C2=C1C(=O)N(C2=O)C1=CC=C(CC2=CC=C(C=C2)N2C(=O)C3=C(C2=O)C(Br)=C(Br)C(Br)=C3Br)C=C1