OC1=CC=C(C=C1)C1OC2=C(C=C(\C=C/C3=CC(O)=CC4=C3C(C(O4)C3=CC=C(O)C=C3)C3=CC(O)=CC(O)=C3)C=C2)C1C1=C2C(C(OC2=CC(O)=C1)C1=CC=C(O)C=C1)C1=CC(O)=CC(O)=C1