Task: Answer the multiple-choice question.
Query: Which drug exhibits a 21.517\% 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) COCCCNC(=O)C(=O)Nc1cc2c3c(c1)CCN3C(=O)CC2
(b) Cn1nc(-c2ccccc2)c(-c2nc(-c3ccc(Cl)cc3)no2)c1Cl
Answer: a. COCCCNC(=O)C(=O)Nc1cc2c3c(c1)CCN3C(=O)CC2
{#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#}
COCCCNC(=O)C(=O)Nc1cc2c3c(c1)CCN3C(=O)CC2
COCCCNC(=O)C(=O)Nc1cc2c3c(c1)CCN3C(=O)CC2
N-(3-methoxypropyl)-N'-(11-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-trien-6-yl)oxamide