Task: Answer the MCQ question.
Query: Which drug exhibits a 17.153% 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) CCn1c(=O)c(=O)[nH]c2cc(C(=O)N3CCN(c4ccccc4F)CC3)ccc21
(b) CC1(C)OC(C)(C)/C(=C\c2ccc(OCC(N)=O)cc2)C1=O
Answer: a. CCn1c(=O)c(=O)[nH]c2cc(C(=O)N3CCN(c4ccccc4F)CC3)ccc21
{#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#}
CCn1c(=O)c(=O)[nH]c2cc(C(=O)N3CCN(c4ccccc4F)CC3)ccc21
CCn1c(=O)c(=O)[nH]c2cc(C(=O)N3CCN(c4ccccc4F)CC3)ccc21
4-ethyl-7-[4-(2-fluorophenyl)piperazine-1-carbonyl]-1H-quinoxaline-2,3-dione