IUPAC: (1S,2S,5R,7R,8S,10S,11R,13R)-10-hydroxy-12,12-dimethyl-6-methylidene-9,16-dioxo-14-oxapentacyclo[11.2.2.1^{5,8}.0^{1,11}.0^{2,8}]octadecan-7-yl acetate

SMILES: CC(=O)O[C@@H]1C(=C)[C@H]2C[C@]11[C@@H](CC2)[C@]23CO[C@H](CC2=O)C(C)(C)[C@H]3[C@H](O)C1=O