Task: Answer the MCQ question.
Query: Which compound has a 24.130\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)C1CCCN(S(=O)(=O)c2cn(C)c(=O)n(C)c2=O)C1
(b) OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCc3ccccc3O2)O1
Answer: b. OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCc3ccccc3O2)O1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCc3ccccc3O2)O1
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCCc3ccccc3O2)O1
(2R,3'R,4'S,6'R)-6'-(2-hydroxyethyl)spiro[4,5-dihydro-3H-1-benzoxepine-2,2'-oxane]-3',4'-diol