Task: Answer the multiple-choice question.
Query: Which drug exhibits a 6.985\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=S(=O)(Nc1nccs1)c1ccc(Cl)cc1
(b) COc1ccnc(Oc2ccc3ccccc3c2)c1C#N
Answer: b. COc1ccnc(Oc2ccc3ccccc3c2)c1C#N
{#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#}
COc1ccnc(Oc2ccc3ccccc3c2)c1C#N
COc1ccnc(Oc2ccc3ccccc3c2)c1C#N
4-methoxy-2-naphthalen-2-yloxypyridine-3-carbonitrile