O1C(C1(C)C2=CC(=O)c3c(C)cc4C(=O)c5c(cc(c(O)c5C(C6=CC=C(C(=O)NCCC(=O)O)N6O)c4c3O2)C7OC(C)C(O)C(C)(C7)N(C)C)C8OC(C)C(O)C(C8)N(C)C)C9OC9C