CC(C)C1=C(O)C(=O)C2=C3NC(OC4=C2C1=CC(C)=C4C1=C(O)C2=C(C=N)C(O)=C(O)C(C(C)C)=C2C=C1C)=C1C(=O)C(O)=C(C(C)C)C2=CC(C)=C(C(O3)=C12)C1=C(O)C2=C(C=O)C(O)=C(O)C(C(C)C)=C2C=C1C