Task: Answer the multiple-choice question.
Query: Which compound exhibits a 7.028\% 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: O=C(CSc1nc2sccc2c(=O)[nH]1)N1CCN(c2ccccc2)CC1
b: CSc1sc(C(=O)N2CCCCC2)c(-c2cccs2)c1C#N
Answer: b. CSc1sc(C(=O)N2CCCCC2)c(-c2cccs2)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#}
CSc1sc(C(=O)N2CCCCC2)c(-c2cccs2)c1C#N
CSc1sc(C(=O)N2CCCCC2)c(-c2cccs2)c1C#N
2-methylsulfanyl-5-(piperidine-1-carbonyl)-4-thiophen-2-ylthiophene-3-carbonitrile