Task: Answer the multiple choice question.
Question: Which drug exhibits a 15.191\% 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) C/C(=N\NC(=O)CC1(C)OCCO1)c1cccs1
(b) O=C(Cc1ccc(Br)cc1)Nc1nc2ccccc2[nH]1
Answer: b. O=C(Cc1ccc(Br)cc1)Nc1nc2ccccc2[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#}
O=C(Cc1ccc(Br)cc1)Nc1nc2ccccc2[nH]1
O=C(Cc1ccc(Br)cc1)Nc1nc2ccccc2[nH]1
2-(4-bromophenyl)-N-(1H-benzimidazol-2-yl)acetamide