Task: Answer the multiple-choice question.
Query: Which drug has a 1.540\% 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. CN(C)C(=O)Cn1c(=O)n(C)c2ccccc21
b. O=C(CSc1nnc(-c2ccco2)o1)NC(=O)Cc1ccccc1
Answer: a. CN(C)C(=O)Cn1c(=O)n(C)c2ccccc21
{#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#}
CN(C)C(=O)Cn1c(=O)n(C)c2ccccc21
CN(C)C(=O)Cn1c(=O)n(C)c2ccccc21
N,N-dimethyl-2-(3-methyl-2-oxobenzimidazol-1-yl)acetamide