Task: Answer the MCQ question.
Question: Which drug exhibits a 14.306\% 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) COc1ccc(OC)c(Nc2nc(C)nc3c2oc2ccccc23)c1
(b) CCc1ccc(-c2ccc(C(=O)O)cc2)nc1
Answer: b. CCc1ccc(-c2ccc(C(=O)O)cc2)nc1
{#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#}
4-(5-ethylpyridin-2-yl)benzoicacid