SMILES: CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)C[C@]34C)C
Description: The molecule is a 2-oxo steroid that is a derivative of pregnane obtained by the loss of a methylene group. It is a 2-oxo steroid and a 20-oxo steroid.