Task: Answer the multiple-choice question.
Question: Which drug has a 11.847\% 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] C=Cn1ccnc1CC(O)c1ccc(OC)cc1
[b] CC(=O)Nc1ccc2c(CN3C(=O)NC(C)(c4ccc(C)cc4)C3=O)cc(=O)oc2c1
Answer: a. C=Cn1ccnc1CC(O)c1ccc(OC)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#}
C=Cn1ccnc1CC(O)c1ccc(OC)cc1
C=Cn1ccnc1CC(O)c1ccc(OC)cc1
2-(1-ethenylimidazol-2-yl)-1-(4-methoxyphenyl)ethanol