Task: Answer the multiple choice question.
Question: Which compound exhibits a -63.717% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(CC(=O)Nc2c(C(=O)N3CCN(c4ncccn4)CC3)oc3ccccc23)cc1
(b) COc1ccc(-c2cc(-c3ccccc3)nc(SC(C)C(=O)O)c2C#N)cc1
Answer: a. COc1ccc(CC(=O)Nc2c(C(=O)N3CCN(c4ncccn4)CC3)oc3ccccc23)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(CC(=O)Nc2c(C(=O)N3CCN(c4ncccn4)CC3)oc3ccccc23)cc1
COc1ccc(CC(=O)Nc2c(C(=O)N3CCN(c4ncccn4)CC3)oc3ccccc23)cc1
2-(4-methoxyphenyl)-N-[2-(4-pyrimidin-2-ylpiperazine-1-carbonyl)-1-benzofuran-3-yl]acetamide