O1C(=O)C2C(O)C(C)C1C(C)C=CC=C(C)C(=O)NC3=C(C)C(=O)c4c(c(O)c(C)c(OCCCCC)c4C(=O)C(C)=CC(O)(C)C(O)C(C)C2O)C3=O