Task: Answer the MCQ question.
Query: Which drug has a 4.143\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCCN1CCC(NC(=O)C2CC=CCC2C(=O)O)CC1
b) CCc1ncc(C(O)c2cccc(OC)c2OC)n1C
Answer: b. CCc1ncc(C(O)c2cccc(OC)c2OC)n1C
{#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#}
CCc1ncc(C(O)c2cccc(OC)c2OC)n1C
CCc1ncc(C(O)c2cccc(OC)c2OC)n1C
(2,3-dimethoxyphenyl)-(2-ethyl-3-methylimidazol-4-yl)methanol