Task: Answer the multiple choice question.
Query: Which drug exhibits a -0.257\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC(Oc1ccc(Br)cc1)C(=O)N1CCN(c2ccccn2)CC1
b) CN(C(=O)c1ccc(S(=O)(=O)N2CCCC2)cc1)C1CCCCC1
Answer: a. CC(Oc1ccc(Br)cc1)C(=O)N1CCN(c2ccccn2)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#}
CC(Oc1ccc(Br)cc1)C(=O)N1CCN(c2ccccn2)CC1
CC(Oc1ccc(Br)cc1)C(=O)N1CCN(c2ccccn2)CC1
2-(4-bromophenoxy)-1-(4-pyridin-2-ylpiperazin-1-yl)propan-1-one