Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 19.864\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1ccc(-c2nc(C#N)c(NCc3ccc4c(c3)OCO4)o2)cc1
(b) CCC(=O)Oc1ccc(-c2nc(-c3cccnc3)no2)cc1
Answer: b. CCC(=O)Oc1ccc(-c2nc(-c3cccnc3)no2)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#}
CCC(=O)Oc1ccc(-c2nc(-c3cccnc3)no2)cc1
CCC(=O)Oc1ccc(-c2nc(-c3cccnc3)no2)cc1
[4-(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)phenyl] propanoate