Task: Answer the multiple-choice question.
Query: Which drug has a 13.067\% 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) CC(NS(=O)(=O)c1ccc(Br)s1)c1ccccc1
(b) S=c1[nH]nc(-c2cccc(Cl)c2)n1/N=C/c1ccco1
Answer: a. CC(NS(=O)(=O)c1ccc(Br)s1)c1ccccc1
{#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#}
CC(NS(=O)(=O)c1ccc(Br)s1)c1ccccc1
CC(NS(=O)(=O)c1ccc(Br)s1)c1ccccc1
5-bromo-N-(1-phenylethyl)thiophene-2-sulfonamide