Task: Answer the multiple-choice question.
Query: Which compound has a 2.493\% 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, or c without using any other words.
Options:
a) COC(=O)c1sccc1NC(=O)Nc1ccc(OC)c(OC)c1
b) O=C(COc1ccc(Cl)cc1Br)NCC(c1ccco1)N1CCCC1
c) COc1cccc2cc(C(C)=O)oc12
Answer: c. COc1cccc2cc(C(C)=O)oc12
{#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#}
COc1cccc2cc(C(C)=O)oc12
COc1cccc2cc(C(C)=O)oc12
1-(7-methoxy-1-benzofuran-2-yl)ethanone