Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.769\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCNc1cc2n(c(=O)n1)CCc1cc(OC)c(OC)cc1-2
(b) COc1ccccc1C(=O)OCC(=O)Nc1ccc(Cl)cn1
Answer: a. CCNc1cc2n(c(=O)n1)CCc1cc(OC)c(OC)cc1-2
{#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#}
CCNc1cc2n(c(=O)n1)CCc1cc(OC)c(OC)cc1-2
CCNc1cc2n(c(=O)n1)CCc1cc(OC)c(OC)cc1-2
2-(ethylamino)-9,10-dimethoxy-6,7-dihydropyrimido[6,1-a]isoquinolin-4-one