Task: Please classify a molecule based on the description.
Description: A molecule that is a human ether-à-go-go related gene (hERG) blocker (<10uM).
Molecule SMILES: C=CCC1(O)CCC2C3CCC4=CC(=O)CCC4=C3C(c3ccc(P(=O)(c4ccccc4)c4ccccc4)cc3)C[C@@]21C
Constraint: Answer the question in a full sentence.
Result: This molecule is human ether-à-go-go related gene (hERG) blocker (<10uM).
Task: Please classify a molecule based on the description.
Description: A molecule that is a {herg_blocker__names__noun}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question in a {#full|complete!} sentence.
Result: This molecule is {herg_blocker#no &NULL}{herg_blocker__names__noun}.
(13S)-11-(4-diphenylphosphorylphenyl)-13-methyl-17-oxidanyl-17-prop-2-enyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one