Task: Answer the multiple choice question.
Question: Which drug exhibits a 12.911\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC1CCN(C(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)CC1
[b] Cc1c(OC(=O)N(C)C)ccc2c1O/C(=C\c1ccco1)C2=O
Answer: a. CC1CCN(C(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)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#}
CC1CCN(C(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)CC1
CC1CCN(C(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)CC1
(4-methylpiperidin-1-yl)-(1-thiophen-2-ylsulfonylpiperidin-4-yl)methanone