Task: Answer the multiple-choice question.
Query: Which compound has a -20.348\% 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] CC(=O)c1ccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c(F)c1
[b] CCc1ccccc1NC(=O)N[C@H](C(=O)O)C(C)C
Answer: a. CC(=O)c1ccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c(F)c1
{#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#}
CC(=O)c1ccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c(F)c1
CC(=O)c1ccc(N2CCN(C(=O)c3ccc(Br)cc3)CC2)c(F)c1
1-[4-[4-(4-bromobenzoyl)piperazin-1-yl]-3-fluorophenyl]ethanone