Problem statement: Answer the multiple choice question.
Question: Which compound has a 18.159\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cc([N+](=O)[O-])nn1CC(=O)Nc1ccc(F)cc1
(b) COC(=O)c1cc(S(=O)(=O)N2CCC(C)CC2)cn1C
Answer: b. COC(=O)c1cc(S(=O)(=O)N2CCC(C)CC2)cn1C
{#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#}
COC(=O)c1cc(S(=O)(=O)N2CCC(C)CC2)cn1C
COC(=O)c1cc(S(=O)(=O)N2CCC(C)CC2)cn1C
methyl 1-methyl-4-(4-methylpiperidin-1-yl)sulfonylpyrrole-2-carboxylate