Task: Answer the multiple-choice question.
Query: Which compound has a 6.813\% 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: O=C(c1cc(-c2cccs2)on1)N1CCCCC1
b: CC(=O)c1ccc(O)c(CC=C(C)C)c1
c: Cc1ccc(CCNC(=O)C2CCCN(c3ncnc4c3nc3n4CCCCC3)C2)cc1
d: O=C(CN1CCCCC1)Nc1ccc(Br)cc1[N+](=O)[O-]
Answer: a. O=C(c1cc(-c2cccs2)on1)N1CCCCC1
{#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#}
O=C(c1cc(-c2cccs2)on1)N1CCCCC1
O=C(c1cc(-c2cccs2)on1)N1CCCCC1
piperidin-1-yl-[5-(thiophen-2-yl)-1,2-oxazol-3-yl]methanone