CCC1(O)CCC2=C(O)C3=C(C(O)=C2C1OC1CC(C(OC2CC(C(OC4CC(O)C(OC5CCC(OC6CCC(O)C(C)O6)C(C)O5)C(C)O4)C(C)O2)N(C)C)C(C)O1)N(C)C)C(=O)C1=CC=CC(O)=C1C3=O