Q: Please describe this drug.
 The Chemical has the SMILES CCCOc1ccc2c(c1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](OC)CC[C@@H]12.
Answer: Promestriene is a steroid. It derives from a hydride of an estrane.
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCOc1ccc2c(c1)CC[C@@H]1[C@@H]2CC[C@]2(C)[C@@H](OC)CC[C@@H]12
CCCOC1=CC2=C(C=C1)[C@H]3CC[C@]4([C@H]([C@@H]3CC2)CC[C@@H]4OC)C
(8R,9S,13S,14S,17S)-17-methoxy-13-methyl-3-propoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene
Please describe this drug.