Task: Answer the multiple-choice question.
Question: Which drug exhibits a 27.698\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCCn1c(SCc2nc(N)nc(N3CCCCC3)n2)nc2c1c(=O)n(C)c(=O)n2C
[b] O=C(c1ccc(Br)cc1)C12CN3CN(CN(C3)C1)C2
Answer: b. O=C(c1ccc(Br)cc1)C12CN3CN(CN(C3)C1)C2
{#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(c1ccc(Br)cc1)C12CN3CN(CN(C3)C1)C2
O=C(c1ccc(Br)cc1)C12CN3CN(CN(C3)C1)C2
(4-bromophenyl)-(1,3,5-triazatricyclo[3.3.1.13,7]decan-7-yl)methanone