Task: Answer the multiple-choice question.
Query: Which drug has a 8.736\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCN1CCN(C(=O)c2cc3cc4ccc(OC)cc4nc3s2)CC1
(b) O=CNNC(=O)c1cccc([N+](=O)[O-])c1
Answer: a. CCN1CCN(C(=O)c2cc3cc4ccc(OC)cc4nc3s2)CC1
{#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#}
CCN1CCN(C(=O)c2cc3cc4ccc(OC)cc4nc3s2)CC1
CCN1CCN(C(=O)c2cc3cc4ccc(OC)cc4nc3s2)CC1
(4-ethylpiperazin-1-yl)-(7-methoxythieno[2,3-b]quinolin-2-yl)methanone