Task: Answer the MCQ question.
Query: Which drug exhibits a 27.395% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCc3ccccc3O2)O1
b: COc1ccc(CCn2c(=N)c(S(=O)(=O)c3ccc(Cl)cc3)cc3c(=O)n4ccccc4nc32)cc1
Answer: a. OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCc3ccccc3O2)O1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCc3ccccc3O2)O1
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@]2(CCc3ccccc3O2)O1
(2R,3'R,4'S,6'R)-6'-(2-hydroxyethyl)spiro[3,4-dihydrochromene-2,2'-oxane]-3',4'-diol