Task: Answer the multiple-choice question.
Question: Which compound has a 8.431\% 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) CCOc1ccc(C2CC(c3ccccc3C)n3nc(N)nc3N2)cc1
(b) CC1(C)CC(=O)C(C(O)c2ccccc2)C(C)(C)N1
Answer: a. CCOc1ccc(C2CC(c3ccccc3C)n3nc(N)nc3N2)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#}
CCOc1ccc(C2CC(c3ccccc3C)n3nc(N)nc3N2)cc1
CCOc1ccc(C2CC(c3ccccc3C)n3nc(N)nc3N2)cc1
5-(4-ethoxyphenyl)-7-(2-methylphenyl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine