Task: Answer the MCQ question.
Question: Which compound has a 11.820\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CC(=O)Nc1ccc(Br)cc1)Nc1ccc(Br)cc1
(b) c1ccc(-c2csc(NC3=NCCCCC3)n2)cc1
Answer: a. O=C(CC(=O)Nc1ccc(Br)cc1)Nc1ccc(Br)cc1
{#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(CC(=O)Nc1ccc(Br)cc1)Nc1ccc(Br)cc1
O=C(CC(=O)Nc1ccc(Br)cc1)Nc1ccc(Br)cc1
N,N'-bis(4-bromophenyl)propanediamide