Problem statement: Answer the multiple-choice question.
Question: Which compound has a 5.943\% 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) CC1CCCC(N2CCN(C(=O)c3ccc(F)cc3)CC2)C1
(b) COC(=O)c1cnn(-c2nc(OC)cc(OC)n2)c1C
Answer: b. COC(=O)c1cnn(-c2nc(OC)cc(OC)n2)c1C
{#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)c1cnn(-c2nc(OC)cc(OC)n2)c1C
COC(=O)c1cnn(-c2nc(OC)cc(OC)n2)c1C
methyl 1-(4,6-dimethoxypyrimidin-2-yl)-5-methylpyrazole-4-carboxylate