Task: Answer the MCQ question.
Query: Which drug has a 2.089\% 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 CCCCCCCn1c(NC(=O)CC)nc2ccccc21
b Cc1cc(C)c(NC(=S)NCC2CCN(C(C)c3ccccc3)C2)c(C)c1
Answer: a. CCCCCCCn1c(NC(=O)CC)nc2ccccc21
{#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#}
CCCCCCCn1c(NC(=O)CC)nc2ccccc21
CCCCCCCn1c(NC(=O)CC)nc2ccccc21
N-(1-heptylbenzimidazol-2-yl)propanamide