Task: Answer the multiple-choice question.
Question: Which compound has a 1.690\% 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) COc1cc(-c2cc(C(=O)Nc3ccc(O)cc3)c3ccccc3n2)cc(OC)c1OC
(b) Cc1cccc2cc(COC(=O)c3ccccc3)c(=O)[nH]c12
Answer: a. COc1cc(-c2cc(C(=O)Nc3ccc(O)cc3)c3ccccc3n2)cc(OC)c1OC
{#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#}
COc1cc(-c2cc(C(=O)Nc3ccc(O)cc3)c3ccccc3n2)cc(OC)c1OC
COc1cc(-c2cc(C(=O)Nc3ccc(O)cc3)c3ccccc3n2)cc(OC)c1OC
N-(4-hydroxyphenyl)-2-(3,4,5-trimethoxyphenyl)quinoline-4-carboxamide