Task: Answer the multiple-choice question.
Query: Which compound has a 5.063\% 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(Br)c[nH]1)N1CCCCC1
[b] CCO[C@@H]1OC(C(=O)Nc2ccccc2)=C[C@H](c2ccc3c(c2)OCO3)[C@H]1CCCO
[c] O=C(COc1ccccc1Br)N1CCN(C(=O)c2ccco2)CC1
[d] O=C1/C(=C/c2ccccn2)SC(=S)N1N1CCOCC1
Answer: a. O=C(c1cc(Br)c[nH]1)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(Br)c[nH]1)N1CCCCC1
O=C(c1cc(Br)c[nH]1)N1CCCCC1
(4-bromo-1H-pyrrol-2-yl)-piperidin-1-ylmethanone