IUPAC: (1R,4aR,4bR,10aR)-1,4a-dimethyl-7-(propan-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene-1-carboxylic acid

SMILES: CC(C)C1=CC2=CC[C@@H]3[C@](C)(CCC[C@@]3(C)C(O)=O)[C@H]2CC1