Task: Answer the MCQ question.
Query: Which drug has a -5.192\% human ether-à-go-go related gene (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) COc1ccccc1NC(=O)N1CCn2c(nc3ccccc32)C1
(b) Cc1ccc(Nc2cccc(C(F)(F)F)c2)nn1
Answer: a. COc1ccccc1NC(=O)N1CCn2c(nc3ccccc32)C1
{#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)N1CCn2c(nc3ccccc32)C1
COc1ccccc1NC(=O)N1CCn2c(nc3ccccc32)C1
N-(2-methoxyphenyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazole-2-carboxamide