CC(C)=CCCC(C)=CCCC1(C)OC2=C3CN(C(CCCN4CC5=C(C=C(O)C6=C5OC(C)(CCC=C(C)CCC=C(C)C)C(O)C6)C4=O)C(O)=O)C(=O)C3=CC(O)=C2CC1O