SMILES: CC(=O)C1=CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C
Description: The molecule is a 3beta-hydroxy steroid that is pregnenolone with a double bond between positions 16 and 17. It is a 3beta-hydroxy steroid, a 20-oxo steroid and an enone. It derives from a pregnenolone.