Task: Answer the multiple choice question.
Question: Which drug exhibits a 19.286% 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) OC(c1nnc(-c2ccccc2)o1)c1cccs1
(b) CCOc1ccccc1NC(=O)c1cc(CC(C)C)oc1C
Answer: a. OC(c1nnc(-c2ccccc2)o1)c1cccs1
{#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#}
OC(c1nnc(-c2ccccc2)o1)c1cccs1
OC(c1nnc(-c2ccccc2)o1)c1cccs1
(5-phenyl-1,3,4-oxadiazol-2-yl)-thiophen-2-ylmethanol