Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.067% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc2c(c1)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)CC[C@@H]12
(b) CN(CCO)c1cc(N(C)CCO)c([N+](=O)[O-])cc1[N+](=O)[O-]
Answer: b. CN(CCO)c1cc(N(C)CCO)c([N+](=O)[O-])cc1[N+](=O)[O-]
{#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#}
CN(CCO)c1cc(N(C)CCO)c([N+](=O)[O-])cc1[N+](=O)[O-]
CN(CCO)c1cc(N(C)CCO)c([N+](=O)[O-])cc1[N+](=O)[O-]
2-[5-[2-hydroxyethyl(methyl)amino]-N-methyl-2,4-dinitroanilino]ethanol