Task: Answer the multiple-choice question.
Question: Which drug has a 6.578\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1NC(=O)CN1CCN(c2ccccc2F)CC1
(b) CCOc1cc(C=C(C#N)C#N)ccc1Oc1ccc([N+](=O)[O-])cn1
Answer: a. COc1ccccc1NC(=O)CN1CCN(c2ccccc2F)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#}
COc1ccccc1NC(=O)CN1CCN(c2ccccc2F)CC1
COc1ccccc1NC(=O)CN1CCN(c2ccccc2F)CC1
2-[4-(2-fluorophenyl)piperazin-1-yl]-N-(2-methoxyphenyl)acetamide