Task: Answer the multiple choice question.
Query: Which compound exhibits a 16.049\% 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, b, c, or d without using any additional words.
Options:
a: Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
b: Cc1cc(C)n2nc(-c3ccco3)nc2n1
c: N#Cc1cc(-c2ccc(Cl)cc2)cnc1Sc1ccc(F)cc1
d: COc1ccccc1NC(=O)C(=O)NCc1ccncc1
Answer: a. Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
{#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#}
Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
2-[(5-amino-1H-1,2,4-triazol-3-yl)sulfanyl]-1-(5-bromothiophen-2-yl)ethanone