Task: Answer the multiple-choice question.
Question: Which drug exhibits a 19.138\% human ether-à-go-go related gene (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) COc1ccc2nc(N3CCC(C)CC3)c(C#N)cc2c1
b) COc1ccc(CNC(=O)CCC(=O)N2CC(C)Oc3ccccc32)cc1
Answer: a. COc1ccc2nc(N3CCC(C)CC3)c(C#N)cc2c1
{#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#}
COc1ccc2nc(N3CCC(C)CC3)c(C#N)cc2c1
COc1ccc2nc(N3CCC(C)CC3)c(C#N)cc2c1
6-methoxy-2-(4-methylpiperidin-1-yl)quinoline-3-carbonitrile