Task: Answer the multiple choice question.
Query: Which compound has a 2.291\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] C/C(=N\NC(=O)c1nn(C)cc1Br)c1ccncc1
[b] O=C(N=C1SC2CS(=O)(=O)CC2N1c1ccc(Br)cc1F)C1CC1
Answer: a. C/C(=N\NC(=O)c1nn(C)cc1Br)c1ccncc1
{#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#}
C/C(=N\NC(=O)c1nn(C)cc1Br)c1ccncc1
C/C(=N\NC(=O)c1nn(C)cc1Br)c1ccncc1
4-bromo-1-methyl-N-[(E)-1-pyridin-4-ylethylideneamino]pyrazole-3-carboxamide